# square roots   18 videos

• #### Solving Quadratic Equations Using Square Roots

##### Algebra 2Quadratic Equations and Inequalities

How to solve quadratic equations using square roots.

square root
• #### Solving a Quadratic by Completing the Square

##### Algebra 2Quadratic Equations and Inequalities

How to complete the square.

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• #### 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

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

simplifying square roots
• #### 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.

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• #### Radicals and Absolute Values

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

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• #### Solving an Equation with Radicals

How to solve an equation with a square root.

• #### Binomial Theorem

##### Algebra 2Polynomials

How to define factorial expressions used in the binomial theorem.

square root
• #### Finding the Vertex of a Parabola by Completing the Square

##### Algebra 2Quadratic Equations and Inequalities

How to find the vertex of a parabola.

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• #### 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.

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• #### Introduction to Imaginary Numbers

How to define an imaginary number.

imaginary number i square root of a negative
• #### Overview of the Different Methods of Solving a Quadratic Equation

##### Algebra 2Quadratic Equations and Inequalities

How to know which method to use when solving a quadratic equation.

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• #### 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
• #### Deriving the Quadratic Formula

##### Algebra 2Quadratic Equations and Inequalities

How to derive the quadratic formula by completing the square.

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