One Step Equations Using Square Roots

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5

Solve by extracting square roots 2x² = 50.

Choose two values of x.

• x = 5

• x = -5

• x = 10

• x = -10

Solve the equation by finding the square roots.  a²=64

• 8

• -8

• ±8

Solve using the square root property:

x² - 6 = -50

• x = 49
• x = 53
• x = 45
• x = 18

• x = 12
• x = 24
• x = 144
• x = 121

• x = 2
• x = 4
• x = 7
• x = 9

• x = 5
• x = -6
• x = 14
• x = -1

Solve

• -5

• 5

• 10

• no solution

Solve the square root equation:

• A

• B

• C

• D