Solving equations by square roots

Solve by the Extraction of Roots method: x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

Solve the equation using square roots.
x² = 121

• 60.5
• ± 11
• ± 12
• 11

Tags

CCSS.8.EE.A.2

What is the square root of 36?

• $\pm\ 6$

• $\pm9$

• $\pm\ 4$

• $\pm12$

Tags

CCSS.8.EE.A.2

x²=25

• x = 5
• x = -5
• x = ±25
• x = ±5

Tags

CCSS.8.EE.A.2

Solve x²− 4 = 0

•  2 and -2
• 4 and -4
• 16 and -16
• 8 and -8

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no real solution

Tags

CCSS.8.EE.A.2

2x²=98

• 49, -49
• 9.89, -9.89
• 7, -7
• no solution 

Tags

CCSS.8.EE.A.2

Solve by square roots (SADMEP)
x² - 64 = 0

• 64
• 8
• 8 or -8
• 1 or -64

Tags

CCSS.HSA-REI.B.4B

x² -4 = 77

• 9
• -9
• No Real Solutions
• 9, -9

Tags

CCSS.8.EE.A.2

2x² = 98

• 49, -49

• 9.89, -9.89

• 7, -7

• No real solution

Tags

CCSS.8.EE.A.2