Solve Equations Square Roots

Solve x²− 4 = 0

•  2 and -2

• 4 and -4

• 16 and -16

• 8 and -8

Tags

CCSS.HSA-REI.B.4B

Solve: 2x²= 30

• x= √5

• x= √30

• x= √15

• x= ±5

Tags

CCSS.8.EE.A.2

What are the solutions to 2(x−7)² = 32 ?

• 7±√32

• ±√65

• 3 and 11

• -1 and 15

Tags

CCSS.8.EE.A.2

Solve the following equation for t: \(t^3=512\)

• t = 8 or -8

• t = 8

• t = 22 or -22

• t = 22

Tags

CCSS.8.EE.A.2

Solve : x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

Solve by taking square roots:

4x² - 1 = 48

• x = 7/2 or -7/2

• x = 2/7 or -2/7

• x = 49/4 or -49/4

• x = 47/4 or -47/4

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:

5m² + 1 = 6

• m = 0

• m = ±1

• m = √7

• m = ±7/5

Tags

CCSS.HSA-REI.B.4B

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

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solutionb

Tags

CCSS.HSA-REI.B.4B

Solve: (x - 2) ² = 49

• 9 or -5

• ± 9

• ± 5

• ± 7

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7

• x = -7

• x = 7

• x = -7, x = 1

Tags

CCSS.8.EE.A.2