Mathematics II | High School Math | Khan Academy
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What you'll learn
This course includes
- 26.3 hours of video
- Certificate of completion
- Access on mobile and TV
Course content
1 modules • 260 lessons • 26.3 hours of video
Mathematics II | High School Math | Khan Academy
260 lessons
• 24.5 hours
Mathematics II | High School Math | Khan Academy
260 lessons
• 24.5 hours
- Constructing square inscribed in circle | Geometric constructions | Geometry | Khan Academy02:47
- Constructing equilateral triangle inscribed in circle | Geometry | Khan Academy03:28
- Constructing regular hexagon inscribed in circle | Geometric constructions | Geometry | Khan Academy03:41
- Constructing circle inscribing triangle | Geometric constructions | Geometry | Khan Academy02:33
- Constructing circumscribing circle | Geometric constructions | Geometry | Khan Academy02:22
- Constructing a tangent line using compass and straightedge | Geometry | Khan Academy05:49
- Another example using compass and straightedge for tangent line | Geometry | Khan Academy05:34
- Showing relationship between cosine and sine of complements | Trigonometry | Khan Academy04:15
- Example relating trig function to side ratios | Basic trigonometry | Trigonometry | Khan Academy09:24
- Introduction to radians | Unit circle definition of trig functions | Trigonometry | Khan Academy10:51
- Basic trigonometry II | Basic trigonometry | Trigonometry | Khan Academy12:11
- Basic trigonometry | Basic trigonometry | Trigonometry | Khan Academy09:17
- Example: Converting degrees to radians | Trigonometry | Khan Academy07:02
- Similarity to define sine, cosine, and tangent | Basic trigonometry | Trigonometry | Khan Academy08:56
- Example with trig functions and ratios | Basic trigonometry | Trigonometry | Khan Academy05:07
- How much of a pyramid is submerged | Basic trigonometry | Trigonometry | Khan Academy05:44
- Angle to aim to get alien | Basic trigonometry | Trigonometry | Khan Academy04:35
- Example: Trig to solve the sides and angles of a right triangle | Trigonometry | Khan Academy07:04
- Sine and cosine of complements example | Basic trigonometry | Trigonometry | Khan Academy04:05
- Example: Converting radians to degrees | Trigonometry | Khan Academy03:20
- Radian and degree conversion practice | Trigonometry | Khan Academy07:11
- Factoring quadratics as (x+a)(x+b) | Mathematics II | High School Math | Khan Academy06:33
- Factoring quadratics as (x+a)(x+b) (example 2) | Mathematics II | High School Math | Khan Academy04:20
- More examples of factoring quadratics with a leading coefficient of 1 | Algebra II | Khan Academy16:30
- Perfect square factorization intro | Mathematics II | High School Math | Khan Academy05:18
- Example 4: Factoring quadratics as a perfect square of a difference: (a-b)^2 | Khan Academy04:54
- Identifying perfect square form | Mathematics II | High School Math | Khan Academy04:36
- Example 3: Factoring quadratics as a perfect square of a sum: (a+b)^2 | Algebra I | Khan Academy03:53
- Factoring perfect squares: missing values | Mathematics II | High School Math | Khan Academy02:38
- Factoring perfect squares: shared factors | Mathematics II | High School Math | Khan Academy04:25
- Solving quadratic equations by completing the square | Algebra II | Khan Academy14:06
- Example 1: Completing the square | Quadratic equations | Algebra I | Khan Academy03:22
- Worked example: Rewriting expressions by completing the square | High School Math | Khan Academy03:01
- Worked example: Solving equations by completing the square | High School Math | Khan Academy06:18
- Circles: radius, diameter, circumference and Pi | Geometry | Khan Academy11:05
- Slice a rectangular pyramid | Perimeter, area, and volume | Geometry | Khan Academy03:30
- Find the volume of a triangular prism and cube | Geometry | Khan Academy03:56
- Cylinder volume and surface area | Perimeter, area, and volume | Geometry | Khan Academy08:07
- Volume of a sphere | Perimeter, area, and volume | Geometry | Khan Academy02:35
- Volume of a cone | Perimeter, area, and volume | Geometry | Khan Academy05:44
- Exponential growth and decay word problems | Algebra II | Khan Academy07:21
- Bhaskara's proof of the Pythagorean theorem | Geometry | Khan Academy09:03
- Testing similarity through transformations | Similarity | Geometry | Khan Academy02:11
- Pythagorean theorem | Right triangles and trigonometry | Geometry | Khan Academy13:03
- Garfield's proof of the Pythagorean theorem | Geometry | Khan Academy08:56
- Pythagorean theorem proof using similarity | Geometry | Khan Academy09:53
- Another Pythagorean theorem proof | Right triangles and trigonometry | Geometry | Khan Academy10:23
- Solving a quadratic equation by factoring | Algebra II | Khan Academy06:22
- Rewriting a quadratic function to find roots and vertex | Algebra I | Khan Academy08:29
- Solving quadratic equations by square roots | Algebra II | Khan Academy11:03
- Example 2: Completing the square | Quadratic equations | Algebra I | Khan Academy05:25
- Shifting and scaling parabolas | Quadratic equations | Algebra I | Khan Academy08:01
- Example 2: Using the quadratic formula | Quadratic equations | Algebra I | Khan Academy06:40
- Finding the vertex of a parabola example | Quadratic equations | Algebra I | Khan Academy05:40
- Graphing a parabola using roots and vertex | Quadratic equations | Algebra I | Khan Academy04:41
- Example 4: Applying the quadratic formula | Quadratic equations | Algebra I | Khan Academy05:53
- Example: Solving simple quadratic | Quadratic equations | Algebra I | Khan Academy02:18
- Finding dimensions of triangle from area | Quadratic equations | Algebra I | Khan Academy08:21
- Example 3: Completing the square | Quadratic equations | Algebra I | Khan Academy05:44
- Example 3: Using the quadratic formula | Quadratic equations | Algebra I | Khan Academy04:59
- Example 5: Using the quadratic formula | Quadratic equations | Algebra I | Khan Academy04:51
- Modeling mosquitos with quadratics | Quadratic equations | Algebra I | Khan Academy08:38
- How to use the quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy16:32
- Example 1: Using the quadratic formula | Quadratic equations | Algebra I | Khan Academy05:34
- Determining mistakes in steps example | Quadratic equations | Algebra I | Khan Academy01:45
- Order of steps exercise example | Quadratic equations | Algebra I | Khan Academy04:25
- Proof of quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy07:44
- Example: Quadratics in standard form | Quadratic equations | Algebra I | Khan Academy02:22
- Dimensions from volume of box | Quadratic equations | Algebra I | Khan Academy05:54
- Absolute value equations | Linear equations | Algebra I | Khan Academy10:41
- More examples of addition and subtraction of polynomials | Algebra II | Khan Academy16:00
- More examples of factoring by grouping | Algebra I | Khan Academy13:57
- Absolute value equation with no solution | Linear equations | Algebra I | Khan Academy03:50
- Example: Solving for a variable | Linear equations | Algebra I | Khan Academy06:58
- Solving for F in terms of C | Linear equations | Algebra I | Khan Academy02:41
- Evaluating expressions with unknown variables 2 | Linear equations | Algebra I | Khan Academy02:59
- Absolute value equations 1 | Linear equations | Algebra I | Khan Academy02:37
- Evaluating expressions where individual variable values are unknown | Algebra I | Khan Academy04:39
- Absolute value equation example | Linear equations | Algebra I | Khan Academy04:50
- Rearrange formulas to isolate specific variables | Linear equations | Algebra I | Khan Academy02:29
- Addition rule for probability | Probability and Statistics | Khan Academy10:43
- Probability with playing cards and Venn diagrams | Probability and Statistics | Khan Academy10:02
- Making predictions with probability | Statistics and probability | 7th grade | Khan Academy05:04
- Comparing theoretical to experimental probabilites | 7th grade | Khan Academy07:01
- Experimental probability | Statistics and probability | 7th grade | Khan Academy06:54
- Example: All the ways you can flip a coin | Probability and Statistics | Khan Academy02:14
- Example: Probability through counting outcomes | Precalculus | Khan Academy02:09
- Intuitive sense of probabilities | Statistics and probability | 7th grade | Khan Academy08:50
- Finding probability example 2 | Probability and Statistics | Khan Academy09:56
- Finding probability example | Probability and Statistics | Khan Academy02:56
- Probability explained | Independent and dependent events | Probability and Statistics | Khan Academy08:18
- Equation for parabola from focus and directrix | Conic sections | Algebra II | Khan Academy09:47
- Focus and directrix introduction | Conic sections | Algebra II | Khan Academy04:06
- Completing the square to write equation in standard form of a circle | Algebra II | Khan Academy04:20
- Writing standard equation of a circle | Mathematics II | High School Math | Khan Academy05:39
- Graphing a circle from its standard equation | Mathematics II | High School Math | Khan Academy05:13
- Radius and center for a circle equation in standard form | Algebra II | Khan Academy03:51
- Features of a circle from its graph | Mathematics II | High School Math | Khan Academy03:49
- Graphing circles from features | Mathematics II | High School Math | Khan Academy02:08
- Example 1: Factoring a difference of squares with two variables | Algebra II | Khan Academy01:49
- Example 5: Factoring a fourth degree polynomial using the "perfect square” form | Khan Academy02:25
- Factoring perfect squares: common factor | Mathematics II | High School Math | Khan Academy03:38
- Polynomial subtraction | Mathematics II | High School Math | Khan Academy02:50
- Example 3: Subtracting polynomials | Algebra I | Khan Academy02:07
- Example 2: Adding polynomials | Algebra I | Khan Academy02:01
- Multiplying complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy05:32
- Subtracting complex numbers | Imaginary and complex numbers | Algebra II | Khan Academy01:53
- Adding complex numbers | Imaginary and complex numbers | Algebra II | Khan Academy01:11
- Plotting complex numbers on the complex plane | Precalculus | Khan Academy01:14
- Introduction to complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy04:44
- i as the principal root of -1 (a little technical) | Precalculus | Khan Academy06:45
- Calculating i raised to arbitrary exponents | Precalculus | Khan Academy06:21
- Imaginary roots of negative numbers | Imaginary and complex numbers | Precalculus | Khan Academy04:04
- Introduction to i and imaginary numbers | Imaginary and complex numbers | Precalculus | Khan Academy05:20
- Example 1: Factor a linear binomial by taking a common factor | Algebra I | Khan Academy03:28
- Introduction to conic sections | Conic sections | Algebra II | Khan Academy10:58
- Finding focus and directrix from vertex | Conic sections | Algebra II | Khan Academy11:28
- Finding central angle measure given arc length | Circles | Geometry | Khan Academy02:18
- Similar triangles to prove that the slope is constant for a line | Algebra I | Khan Academy07:56
- Challenging similarity problem | Similarity | Geometry | Khan Academy09:53
- Tangents of circles problem (example 1) | Mathematics II | High School Math | Khan Academy04:36
- Finding area using similarity and congruence | Similarity | Geometry | Khan Academy10:07
- Finding arc measures | Mathematics II | High School Math | Khan Academy06:35
- Example with tangent and radius | Circles | Geometry | Khan Academy02:34
- Inscribed quadrilaterals proof | Mathematics II | High School Math | Khan Academy03:55
- Area of a regular hexagon | Right triangles and trigonometry | Geometry | Khan Academy07:51
- 45-45-90 triangle side ratios | Right triangles and trigonometry | Geometry | Khan Academy05:42
- Triangle similarity in pool | Similarity | Geometry | Khan Academy06:49
- Inscribed angle theorem proof | High School Geometry | High School Math | Khan Academy14:17
- Angle bisector theorem examples | Geometry | Khan Academy03:04
- Intro to 30-60-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy09:40
- 30-60-90 triangle side ratios proof | Right triangles and trigonometry | Geometry | Khan Academy06:59
- Proof: Radius is perpendicular to tangent line | Mathematics II | High School Math | Khan Academy08:40
- Hypotenuse of right triangle inscribed in circle | Circles | Geometry | Khan Academy02:33
- SSS to show a radius is perpendicular to a chord that it bisects | Geometry | Khan Academy08:19
- Angle bisector theorem proof | Special properties and parts of triangles | Geometry | Khan Academy08:35
- Language and notation of the circle | Introduction to Euclidean geometry | Geometry | Khan Academy11:13
- Area of inscribed equilateral triangle (some basic trig used) | Circles | Geometry | Khan Academy11:39
- Quadrilateral similarity by showing congruent angles | Similarity | Geometry | Khan Academy06:40
- Arc length as fraction of circumference | Trigonometry | Khan Academy02:58
- Solving inscribed quadrilaterals | Mathematics II | High School Math | Khan Academy04:57
- How many people can a blimp carry | Perimeter, area, and volume | Geometry | Khan Academy06:05
- Measure of circumscribed angle | Circles | Geometry | Khan Academy03:47
- Intro to arc measure | Mathematics II | High School Math | Khan Academy05:26
- Inscribed angles | Mathematics II | High School Math | Khan Academy01:19
- Ways to cut a cube | Perimeter, area, and volume | Geometry | Khan Academy07:22
- Proof: Right triangles inscribed in circles | High School Math | Khan Academy05:35
- Finding arc measures with equations | Mathematics II | High School Math | Khan Academy06:57
- Golden ratio to find radius of moon | Similarity | Geometry | Khan Academy06:22
- 30-60-90 triangle example problem | Right triangles and trigonometry | Geometry | Khan Academy06:40
- Finding arc length from radian angle measure | Trigonometry | Khan Academy02:39
- Pythagorean theorem II | Right triangles and trigonometry | Geometry | Khan Academy09:36
- Inscribed shapes: angle subtended by diameter | High School Math | Khan Academy05:48
- Proof: Segments tangent to circle from outside point are congruent | High School Math | Khan Academy03:55
- Perpendicular radius bisects chord | Congruence | Geometry | Khan Academy06:57
- Introduction to the Pythagorean theorem | Right triangles and trigonometry | Geometry | Khan Academy08:35
- 45-45-90 triangles | Right triangles and trigonometry | Geometry | Khan Academy09:30
- Length of an arc that subtends a central angle | Circles | Geometry | Khan Academy04:58
- Proof: all circles are similar | Mathematics II | High School Math | Khan Academy01:34
- Area of a sector given a central angle | Circles | Geometry | Khan Academy02:26
- Golden ratio and Rembrandt's self portrait | Similarity | Geometry | Khan Academy08:23
- Rotating 2D shapes in 3D | Perimeter, area, and volume | Geometry | Khan Academy04:11
- Example 2: Multiplying two monomials with two variables | Algebra I | Khan Academy01:52
- Example 4: Adding and subtracting polynomials | Algebra I | Khan Academy02:27
- Example 4: Factor a polynomial with two variables by taking a common factor | Khan Academy05:54
- Example 7: Factor a polynomial with two variables by grouping | Algebra I | Khan Academy03:46
- Example 2: Factoring quadratics by grouping | Algebra I | Khan Academy03:55
- Example 3: Factoring quadratics by taking a common factor and grouping | Algebra II | Khan Academy04:46
- Example 4: Factoring quadratics by taking a negative common factor and grouping | Khan Academy05:17
- Example 6: Factoring a difference of squares with two variables | Algebra II | Khan Academy02:30
- Independent or dependent probability event? | Precalculus | Khan Academy02:39
- Test taking probability and independent events | Precalculus | Khan Academy04:44
- Example: 9 card hands | Probability and combinatorics | Precalculus | Khan Academy07:43
- Example: Different ways to pick officers | Precalculus | Khan Academy02:23
- Example: Combinatorics and probability | Probability and combinatorics | Precalculus | Khan Academy10:51
- Multiplying monomials | Algebra I | Khan Academy08:23
- Simplifying an exponential expression | Algebra II | Khan Academy05:09
- Decay of cesium 137 example | Exponential and logarithmic functions | Algebra II | Khan Academy09:13
- Rewriting an exponential expression in a hairier way | Algebra II | Khan Academy08:31
- Comparing features of functions (example 2) | Functions and their graphs | Algebra II | Khan Academy03:59
- Quadratic inequality word problem | Functions and their graphs | Algebra II | Khan Academy10:00
- Constructing an exponential equation example | Algebra II | Khan Academy08:48
- Making more pizzas to spread cost per pizza | Functions and their graphs | Algebra II | Khan Academy09:00
- Constructing probability model from observations | 7th grade | Khan Academy07:24
- Evaluating a polynomial at a given value | Algebra I | Khan Academy01:09
- Example 6: Factoring quadratics with two variables | Algebra I | Khan Academy02:46
- Example 6: Subtracting polynomials with two variables | Algebra I | Khan Academy02:10
- Example 5: Factoring quadratics with two variables (leading coefficient is 1) | Khan Academy06:11
- The parts of polynomial expressions | Polynomial and rational functions | Algebra II | Khan Academy02:36
- Example 1: Multiplying a binomial by a binomial | Algebra I | Khan Academy05:47
- Finding the greatest common factor of two monomials | Algebra I | Khan Academy03:13
- Example 2: Factoring a difference of squares with leading coefficient other than 1 | Khan Academy02:23
- Example 5: Adding polynomials with two variables | Algebra I | Khan Academy02:30
- Example 3: Multiplying a monomial by a polynomial | Algebra I | Khan Academy02:43
- Example 1: Multiplying two monomials with a single variable | Algebra I | Khan Academy01:05
- Example 1: Simplifying polynomials | Algebra I | Khan Academy03:37
- Sum and product of rational numbers | Rational and irrational numbers | Algebra I | Khan Academy02:46
- Proof that rational times irrational is irrational | Algebra I | Khan Academy03:15
- Proof that square root of prime number is irrational | Algebra I | Khan Academy07:28
- Introduction to rational and irrational numbers | Algebra I | Khan Academy05:54
- Recognizing rational and irrational numbers (examples) | Algebra I | Khan Academy02:18
- Recognizing rational and irrational expressions example | Algebra I | Khan Academy02:36
- Proof that there is an irrational number between any two rational numbers | Algebra I | Khan Academy05:33
- Proof that square root of 2 is irrational | Algebra I | Khan Academy07:47
- Proof that sum of rational and irrational is irrational | Algebra I | Khan Academy03:24
- Linear vs. exponential growth: from data | High School Math | Khan Academy05:56
- Constructing exponential models | Mathematics II | High School Math | Khan Academy03:47
- Polynomial remainder theorem to test factor | Algebra II | Khan Academy03:26
- Polynomial remainder theorem example | Polynomial and rational functions | Algebra II | Khan Academy03:31
- Polynomial remainder theorem | Polynomial and rational functions | Algebra II | Khan Academy06:42
- Polynomial remainder theorem proof | Polynomial and rational functions | Algebra II | Khan Academy05:41
- Interpreting change in exponential models: changing units | High School Math | Khan Academy04:21
- Constructing a polynomial that has a certain factor | Algebra II | Khan Academy03:39
- Linear vs. exponential growth: from data (example 2) | High School Math | Khan Academy06:55
- Solving exponential equations using exponent properties | High School Math | Khan Academy04:56
- Constructing exponential models: half life | Mathematics II | High School Math | Khan Academy04:17
- Solving exponential equations using exponent properties (advanced) | High School Math | Khan Academy07:01
- Interpreting change in exponential models: with manipulation | High School Math | Khan Academy04:20
- Interpreting change in exponential models | Mathematics II | High School Math | Khan Academy06:53
- Constructing exponential models: percent change | Mathematics II | High School Math | Khan Academy04:51
- Interpreting time in exponential models | Mathematics II | High School Math | Khan Academy06:42
- Dependent probability introduction | Probability and Statistics | Khan Academy06:38
- Handshaking combinations | Probability and combinatorics | Probability and Statistics | Khan Academy07:28
- Mega millions jackpot probability | Probability and combinatorics | Precalculus | Khan Academy05:30
- Introduction to combinations | Probability and Statistics | Khan Academy06:17
- Free throwing probability | Probability and Statistics | Khan Academy07:05
- Combination formula | Probability and combinatorics | Probability and Statistics | Khan Academy11:16
- Dependent probability example | Probability and Statistics | Khan Academy09:01
- Compound probability of independent events | Probability and Statistics | Khan Academy06:00
- Structure in exponential expression | Polynomial and rational functions | Algebra II | Khan Academy07:19
- How to classify numbers | Numbers and operations | 8th grade | Khan Academy08:48
- Subtracting polynomials: two variables challenge | Mathematics II | High School Math | Khan Academy03:43
- Factoring difference of squares: missing values | High School Math | Khan Academy05:49
- Solving quadratics by factoring: leading coefficient â  1 | High School Math | Khan Academy04:34
- Multiplying monomials by polynomials challenge | Mathematics II | High School Math | Khan Academy04:17
- Worked example: rational vs. irrational expressions (unknowns) | High School Math | Khan Academy06:25
- Intro to factors & divisibility | Mathematics II | High School Math | Khan Academy05:25
- Factoring difference of squares: analyzing factorization | High School Math | Khan Academy03:08
- Worked example: finding missing monomial side in area model | High School Math | Khan Academy02:08
- Comparing features of quadratic functions | Mathematics II | High School Math | Khan Academy04:10
- Finding features of quadratic functions | Mathematics II | High School Math | Khan Academy08:22
- Solving quadratics by taking square roots examples | High School Math | Khan Academy05:11
- Multiplying binomials intro | Mathematics II | High School Math | Khan Academy04:46
- Finding an error in polynomial subtraction | Mathematics II | High School Math | Khan Academy02:26
- Solving quadratics using structure | Mathematics II | High School Math | Khan Academy03:54
- Monomial factorization | Mathematics II | High School Math | Khan Academy02:05
- Multiplying monomials by polynomials: area model | Mathematics II | High School Math | Khan Academy01:33
- Factoring binomials: common factor | Mathematics II | High School Math | Khan Academy04:57
- Worked example: finding the missing monomial factor | High School Math | Khan Academy03:18
- Multiplying monomials challenge | Mathematics II | High School Math | Khan Academy03:31
- Multiplying binomials: area model | Mathematics II | High School Math | Khan Academy03:54
- Factoring polynomials: common binomial factor | Mathematics II | High School Math | Khan Academy01:41
- Factoring polynomials: common factor area model | Mathematics II | High School Math | Khan Academy05:26
- Factoring difference of squares: shared factors | High School Math | Khan Academy04:22
- Difference of squares intro | Mathematics II | High School Math | Khan Academy04:53
- Shifting absolute value graphs | Mathematics II | High School Math | Khan Academy06:11
- Scaling & reflecting absolute value functions: graph | High School Math | Khan Academy03:28
- Worked examples: Forms & features of quadratic functions | High School Math | Khan Academy06:41
- Polynomials intro | Mathematics II | High School Math | Khan Academy10:47
- Inscribed shapes: find inscribed angle | High School Math | Khan Academy02:09
