Square Roots of Perfect Squares

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Presentation transcript:

Square Roots of Perfect Squares Radical Unit Square Roots of Perfect Squares Medina

Radical Unit Radical: ² 64 Radicand: Index: The number inside the radical symbol Identifies the root of the radical symbol Medina

The number being multiplied to itself 3 times to get the radicand Radical Unit Square Root Cube Root ³ The number being multiplied to itself 3 times to get the radicand The number being multiplied to itself to get the radicand Ask yourself, what number times itself 3 times equals 64? Ask yourself, what times it self equals 64? 8 4 Medina

8 -8 ± 8 Radical Unit Positive Root Negative Root: Positive & Negative Roots: Undefined Root: 8 -8 ± 8 Medina

Radical Unit Medina

Radical Unit 12 Medina

Radical Unit What is the value of ? x • x =x² Ask yourself, what times it self equals x²? x • x =x²

Radical Unit What is the value of ? Another way to look at this is to expand the radicand, and for every set of 2 inside the radical, one term comes out.

Radical Unit What is the value of ? Another way to look at this is to expand the radicand, and for every set of 2 inside the radical, one term comes out.

Solving Equations with Perfect Squares To Solve: Means there are 2 answers Medina

Solving Equations with Perfect Squares Solve: variable 1. Get the letter by itself 2. Square root both sides and write ± 3. Simplify the radical Medina

Solving Equations with Perfect Squares To Solve: Means there are 2 answers Medina