Khan Academy
Khan Academy: Matrix Equations: Scalar Multiplication
Solve equations where the unknown is a matrix by using multiplication by a scalar. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Khan Academy
Khan Academy: Analyze Scalar Multiplication
Match vectors to images based on scalars to show that you understand scalar multiplication. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Components of Vectors and Endpoints
Find the components of a vector. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Vector Word Problems
Apply what you've learned about vectors to solve some word problems! Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Matrices by Scalars
Find the matrix that is a result of multiplying a given matrix by a given scalar. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Matrices
Find the matrix that is the result of the addition or subtraction of two given matrices. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Matrices
Find the result of the multiplication of two matrices. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Reducing Rational Expressions to Lowest Terms
Learn what it means to reduce a rational expression to lowest terms, and how it's done!
Khan Academy
Khan Academy: Intro to Rational Expressions
This lesson will introduce you to rational expressions. You will learn how to determine when a rational expression is undefined and how to find its domain.
Khan Academy
Khan Academy: Algebra Ii: Divide Polynomials by Linear Expressions
Rewrite rational expressions of the form a(x)/b(x), where a(x) is a polynomial and b(x) is a linear binomial, in the form q(x)+r(x)/b(x), where q(x) and r(x) are polynomials and the degree of r(x) is less than the degree of b(x)....
Khan Academy
Khan Academy: Algebra Ii: Simplify Rational Expressions: Common Binomial Factors
Factor the numerator and the denominator of a rational expression and cancel out common binomial terms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Simplify Rational Expressions: Common Monomial Factors
Factor the numerator and the denominator of a rational expression and cancel out common monomial factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Divide Polynomials by Monomials (With Remainders)
Rewrite rational expressions of the form a(x)/b(x), where a(x) is a polynomial and b(x) is a monomial, in the form q(x)+r(x)/b(x), where q(x) and r(x) are polynomials and the degree of r(x) is less than the degree of b(x). Students...
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Two Variable Inequalities From Their Graphs
Fit an algebraic two-variable inequality to its appropriate graph. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Graphs of Inequalities
Graph two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Intro to Adding & Subtracting Rational Expressions
Learn how to add or subtract two rational expressions into a single expression.
Khan Academy
Khan Academy: Multiply and Divide Rational Expressions
Check your understanding of how to multiply and divide rational expressions with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Add and Subtract Rational Expressions: Like Denominators
Check your understanding of how to add and subtract rational expressions that have like denominators with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Khan Academy
Khan Academy: Add and Subtract Rational Expressions: Factored Denominators
Check your understanding of how to add and subtract rational expressions with these problems where the denominators have factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Khan Academy
Khan Academy: Multiply and Divide Rational Expressions (Advanced)
Check your understanding of how to multiply and divide rational expressions with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Multiply and Divide Rational Expressions (Basic)
Check your understanding of how to multiply and divide rational expressions with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Algebra Ii: Add and Subtract Rational Expressions
Check your understanding of how to add and subtract rational expressions with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Add and Subtract Rational Expressions: Unlike Denominators
Add and subtract rational expressions with relatively prime denominators by manipulating them to have the same denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...