Solve by Taking Square Roots

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

Tags

CCSS.HSA-REI.B.4B

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Tags

CCSS.8.EE.A.2

Solve by taking square roots:
a² + 9 = 9

• no solution
• a = 0
• a = 3 or -3
• a = 18

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5

Tags

CCSS.HSA-REI.B.4B

2x²=100

• x = ±25

• x = ±5√2

• x = ±√100

• x = ±√5

Tags

CCSS.8.EE.A.2

Solve for h.
(h - 2)² = 9

• h = 5, -1
• h = 5, -5
• h = 5
• h = -1

Tags

CCSS.HSA-REI.B.4B

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Tags

CCSS.8.EE.A.2

Solve for x.

(x - 4)² + 8 = 33

• x = -9, 1

• x = -1, 9

• x = 1, 9

• x = 3, 11

• x = -11, -3

Tags

CCSS.HSA-REI.B.4B

Solve for x.

-7(x + 3)² + 63 = 0

• x = 0, 6

• x = -6, 12

• x = -6, 0

• x = 6, 12

Tags

CCSS.HSA-REI.B.4B

 $3r^2+7=37$  

•  $\pm10$  

•  $\pm\sqrt{10}$  

•  $\sqrt{10}$  

•  $\pm5$  

Tags

CCSS.8.EE.A.2