Solving square root equations

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Solve for x.

5(x - 3)² + 1 = 81

• x = -1, 7

• x = -7, 1

• x = ± 9

• x = 3, 10

Solve: -5x² = -50

• ± 5

• ± 10

• ± √10

• -10

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

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

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solutionb

Solve for m.
4m² + 10 = 38

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