Section 9.3

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no real solution

• no real solution

What are the solution (s)? a.k.a. the roots

5m² + 1 = 6

• m = 1

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Solve by taking square roots.

x² +12 = 5

• x = ± 49

• No Real Solutions

• x = ± √7

• x = ± 5/12

Solve.

(2x - 4)² = 16

• x = 4

• x = 10

• x = -2

• x = 0 and x = 4

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Solve for x.

-2(x + 6)² + 13 = -85

• x = 1, 13

• x = -13, 1

• x = -6, 7

• x = -7, 6

Solve for x.

x² - 13 = 12

• x = ± 25

• x = ± 5

• x = ± -1

• x = ± 1

Solve for m.
4m² + 10 = 38

• m = 7, -7
• m = 7
• m = √7
• m = √7, -√7