Solving for X with Square Roots

Pick which equation I can use square roots to solve:

• 3x² + 2x + 1 = 0

• 3x² -27 = 0

• 3x² + 2x = 1

• 4x + 10 = 0

Tags

CCSS.HSA-REI.B.4B

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

Tags

CCSS.8.EE.A.2

(x - 2) ² = 9

• ± 3

• 5  or  -1

• -5  or  1

• ± 9

Tags

CCSS.HSA-REI.B.4B

Solve for x     x² - 4 = 76

• x = 4 , -4

• x = 4√5    ,  -4√5

• x = 80   ,  x = -80

• x = 5√4    or    -5√4

Tags

CCSS.8.EE.A.2

• x = 2
• x = 4
• x = 7
• x = 9

• x = 81
• x = -9
• x = 9
• x = -81

• x = 5
• x = -6
• x = 14
• x = -1

Tags

CCSS.HSA.REI.A.2

• x = 12
• x = 24
• x = 144
• x = 121

• x = 49
• x = 53
• x = 45
• x = 18

Solve the square root equation:

• A

• B

• C

• D

Tags

CCSS.HSA.REI.A.2