# number of roots   28 videos

• #### Introduction to Imaginary Numbers

How to define an imaginary number.

imaginary number i square root of a negative
• #### Rational Roots Theorem

##### Algebra 2Factoring

How to use the rational roots theorem.

rational roots theorem
• #### Rationalizing the Denominator with Higher Roots

How to rationalize the denominator with a higher root.

rationalizing the denominator higher root
• #### Multiplying Radicals of the Same Root

How to multiply radicals of the same root together.

• #### Multiplying Radicals of Different Roots

How to multiply radicals together when they are different roots.

multiplying roots different index different roots rational exponents
• #### Multiplying Complex Numbers

How to multiply imaginary numbers.

complex numbers multiplying i
• #### Adding and Subtracting Complex Numbers

How to add and subtract complex numbers.

• #### Solving Quadratic Equations Using Square Roots

##### Algebra 2Quadratic Equations and Inequalities

How to solve quadratic equations using square roots.

square root
• #### Dividing Complex Numbers

How to rationalize the denominator when dealing with an imaginary number.

dividing by i complex numbers
• #### Introduction to Real Numbers

##### Algebra 2Real Numbers

How to classify different types of real numbers.

real numbers natural counting whole integer rational irrational
• #### 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
• #### Applied Linear Equations: Consecutive Numbers

##### Algebra 2Linear Equations

How to solve a problem involving consecutive integers.

consecutive numbers
• #### Properties of Real Numbers

##### Algebra 2Real Numbers

How to define the properties of real numbers.

associative commutative distributive identity inverse

How to know when to include a plus and minus on a square root problem.

simplifying square roots
• #### Radicals and Absolute Values

How to know when to include a absolute value when simplifying a square root.

absolute value square roots even root odd power
• #### Scientific Notation

##### Algebra 2Exponents

How to move between scientific notation and standard notation of numbers.

scientific notation standard notation big numbers small numbers
• #### Vocabulary of Quadratic Polynomials

##### Algebra 2Quadratic Equations and Inequalities

How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and x-intercepts or roots of a quadratic function.

roots x intercepts solutions excluded values zeros function
• #### Binomial Theorem

##### Algebra 2Polynomials

How to define factorial expressions used in the binomial theorem.

square root
• #### Compound Interest (Finite Number of Calculations)

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to use the compounded interest formula to find the value of an investment.

interest compound interest daily monthly weekly quarterly rate