# root multiplication   83 videos

• #### Solving an Equation with Radicals

How to solve an equation with a square root.

• #### Vector Operations in 3D

##### PrecalculusVectors and Parametric Equations

How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.

vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions

• #### The Discriminant of a Quadratic Equation

##### Algebra 2Quadratic Equations and Inequalities

How to use the discriminant to know the number and type of solutions to a quadratic.

discriminant type of solution number of solutions type of roots number of roots
• #### Exponents

##### Pre-AlgebraIntegers

Exponents are a short cut for writing repeated multiplication

• #### Solving Equations with fractions and decimals by "Clearing"

##### Pre-AlgebraSolving Equations and Inequalities

Solving equations with fractions by multiplying by the least common multiple

• #### Commutative, Associative

##### Pre-AlgebraProperties of Numbers

Overview of the commutative and associative properties for addition and multiplication

• #### Distributive

##### Pre-AlgebraProperties of Numbers

Introduction to the distributive property of multiplication over addition or subtraction

• #### Matrix Operations

##### Algebra 2Matrices

How to use simple matrix operations.

adding matrices scalar multiple matrix matrices
• #### Augmented Matrices

##### Algebra 2Matrices

How to use matrices to solve a system of linear equations.

augmented matrix row operations scalar multiple
• #### Square Matrices

##### PrecalculusSystems of Linear Equations and Matrices

How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.

matrices rows columns dimension matrix multiplication
• #### The Identity Matrix

##### PrecalculusSystems of Linear Equations and Matrices

How to determine the identity matrix of order n.

matrices square matrices the identity matrix matrix multiplication
• #### AP Test-Taking Strategy

##### AP US GovernmentAP US Government Videos

Preparing for the multiple-choice exam and Free Response Question strategy.

Test taking strategies test preparation

• #### Evaluating Rational Exponents

How to evaluate a fractional exponent two ways.

evaluating rational exponents power over root
• #### Rational Exponents with Negative Coefficients

How to know when a negative coefficient is associated with power.

evaluating rational exponents power over root negative
• #### Introduction to Imaginary Numbers

How to define an imaginary number.

imaginary number i square root of a negative
• #### Solving a Quadratic by Completing the Square

##### Algebra 2Quadratic Equations and Inequalities

How to complete the square.

square root property completing the square plus or minus