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Big Ideas Math: Modeling Real Life, Grade 8

BI

Big Ideas Math: Modeling Real Life, Grade 8 View details

1. Finding Square Roots

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Exercise 6 Page 374

Think of a number that when raised to the second power results in 64.

- 8 and 8

Practice makes perfect

We want to find both square roots of 64. ± sqrt(64)We need to think of a number that when raised to the second power results in 64. This number is 8.

(8)^2

Calculate power

64 ✓

With this information, we can say that the square roots of 64 are ± 8, which can be also written as - 8 and 8. ± sqrt(64) = ± 8

Subchapter links

Try It p.374-376

Self-Assessment for Concepts & Skills p.376

Self-Assessment for Problem Solving p.377

Review & Refresh p.378

Concepts, Skills, & Problem Solving p.378-380