Khan Academy
Khan Academy: Algebra: Special Types of Linear Systems
This video demonstrates examples of special systems of equations that either have no solution or an infinite number of solution. These types of systems are called consistent or inconsistent systems. [15:18]
Khan Academy
Khan Academy: Calculus: Definite Integrals (Part Ii)
Video lesson continuing an introduction to definite integrals by looking at a graph of time and velocity. Includes introduction to the notation for a specific definite integral and how to evaluate it. [9:16]
Khan Academy
Khan Academy: Algebra: Graphing Using Intercepts
This video demonstrates how to graph 4 different equations by finding the x and y intercepts of each equation and then graphing those points to form the four different lines. This video is also found in the strand Algebra: ck12.org. [12:18]
Khan Academy
Khan Academy: Algebra Ii: Conic Sections: Hyperbola and Parabola Examples
A video lesson that goes through four example problems dealing with conic sections. Topics covered include: finding the vertex of a parabola from its equation; finding the asymptotes of a hyperbola and then sketching its graph;...
Khan Academy
Khan Academy: Calculus: Definite Integrals (Area Under a Curve) (Part Iii)
Video lesson explaining why the antiderivative is the area under a curve. Provides an introduction to the fundamental theorem of calculus. [9:46]
Khan Academy
Khan Academy: Algebra: Basic Rate Problem
This video demonstrates how to solve a word problem by calculating rates. The video uses the formula for distance and isolates the variable "r" for rate. Practice problems available. [4:08]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Level 1 Exponents
A video explaining the meaning of exponents and exponential notation. Practice problems are available. [9:46]
Khan Academy
Khan Academy: Calculus: Taylor Polynomials
Video lesson showing the formula for a Taylor series expansion to five terms and uses it to approximate the cosine function. Includes the graphs of a specific number of terms of the approximate function using a graphing calculator. [18:05]
Khan Academy
Khan Academy: Algebra: Algebra: Slope 3
This video is a continuation of the video "Algebra: Slope 2". It picks up determining the equation of a line using the slope-intercept form and substitution. The video continues with one additional example that demonstrates calculating...
Khan Academy
Khan Academy: Calculus: Polynomial Approximations of Functions (Part 5)
Video lesson using a Maclaurin series to approximate a sine function by using a polynomial function. Generalizes the expansion of sine using sigma notation and relates it to the expansion for cosine. [9:24]
Khan Academy
Khan Academy: Trigonometry: Radians and Degrees
Video defining radians. Examples shown for converting radians to degrees and vice versa. [9:55]
Khan Academy
Khan Academy: Algebra: Multiplying and Dividing Monomials 3
Video demonstrates how to divide a monomial by a monomial by grouping like terms. Explains how to simplify the answer when the division results in negative exponents. [2:23]
Khan Academy
Khan Academy: Calculus: Derivatives (Part 9)
Video lesson demonstrating how to find the derivative of functions using the product rule and the chain rule. [9:56]
Khan Academy
Khan Academy: Algebra: Fractional Exponent Expressions 3
Video simplifying a rational algebraic expression with fractional exponents and a square root. [6:32]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Level 3 Exponents
Video explains the meaning of fractional exponents and negative fractional exponents. Practice problems are available. [9:12]
Khan Academy
Khan Academy: Geometry: Right Triangles Inscribed in Circles (Proof)
This video tutorial [5:35] explains that if the diameter of a circle is one of the sides of a triangle inscribed in the circle then the triangle is a right triangle. This video also appears in the strand Geometry: Circles.
Khan Academy
Khan Academy: Algebra: Linear Equations: Age Word Problems 1
This video demonstrates how to solve word problems related to a person's age by setting up and solving equations based on the information given in the problem. There are two sample word problems. [7:14]
Khan Academy
Khan Academy: Calculus: Polynomial Approximation of Functions (Part 7)
Video continues a discussion about the relationship between the polynomial approximations for the sine, cosine and e^x functions from Maclaurin series and uses those to derive Euler's formula and Euler's identity. [10:18]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Estimation With Decimals
This video shows how to estimate decimal addition in the context of a word problem. Practice problems are available. [3:01]
Khan Academy
Khan Academy: Algebra: Complex Numbers: Complex Numbers (Part 2)
Video shows how to divide complex numbers by using complex conjugates in general terms and then with a specific example. [8:58]
Khan Academy
Khan Academy: Algebra: Exponent Properties 6
Video lesson introducing the power of a quotient rule and using it in conjunction with the power of a product and power of a power rules to simplify an algebraic expression. [4:19]
Khan Academy
Khan Academy: Algebra Ii: Complex Numbers: Imaginary and Complex Numbers
Video works through six problems from the California Standards Test. Three problems involve simplifying rational expressions, one of which uses exponent rules. Two problems involve graphing complex numbers or reading them from graphs....
Khan Academy
Khan Academy: Calculus: Simple Differential Equations
Video lesson introducing differential equations. Finds the particular solution to three simple differential equations. [14:25]
Khan Academy
Khan Academy: Calculus: Definite Integral With Substitution
Video lesson that demonstrates finding the definite integral of a trigonometric function by using integration by substitution and then showing an alternate way to get the solution. [8:54]