Solve By Taking Square Roots

Solve for x.

x² = 36

• x = ± 6

• x = ± 18

• x = 6

• x = 18

Tags

CCSS.8.EE.A.2

Solve for x.

3x² = 48

• x = ± 4

• x = ± 12

• x = ± 16

• x = √16

Tags

CCSS.8.EE.A.2

Solve for x.

x² - 49 = 0

• x = ± 7

• x = √49

• x = ± 49

• (x - 7)(x + 7) = 0

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.HSA-REI.B.4B

Solve for x.

5(x - 3)² + 1 = 81

• x = -1, 7

• x = -7, 1

• x = ± 9

• x = 3, 10

Tags

CCSS.8.EE.A.2

Solve for m.
4m² + 10 = 38

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

Tags

CCSS.8.EE.A.2

Solve By Square Roots:



 $5m^2-3=127$  

•  $\sqrt{26}$  

• 26

•  $\pm\sqrt{26}$  

•  $\pm26$  

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

FInd the solutions(s) by taking square roots.
 $x^2=20$  

•  $\left\{\pm\ 20\right\}$  

•  $\left\{\sqrt{20}\right\}$  

•  $\left\{\pm\ 4.5\right\}$  

•  $\left\{\pm\ 2\sqrt{5}\right\}$  

Tags

CCSS.HSA-REI.B.4B

 $3\left(x+1\right)^2=9$  

•  $\pm2$  

• 4, 2

•  $-1\pm\sqrt{3}$  

•  $1\pm3i\sqrt{3}$  

Tags

CCSS.HSA-REI.B.4B