Square Root Method Rounded Answers

x² = 16

• ± 4

• ± 8

• 4

• 8

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

x² + 1 = 9

• ± √8

• ± 4

• ± 8

• ± 3

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Find the value[s] of the expression.

• 5

• 4

• -5

• No real solutions

Find the value[s] of the expression.

• No real solutions

• 14

• 13

• A
• B
• C
• D

Solve by taking square roots:
5m² + 1 = 6

• m = 0

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

(x - 2) ² = 9

• ± 3

• 5  or  -1

• -5  or  1

• ± 9