F2 Thur 4-27 Solve Quads by Square Rooting

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Solve by taking the square root:

4x² = 100

• ±10

• ±25

• ±5

• 5

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

Solve using square roots.

• ±√9
• ±3
• ±1
• No real solution

• x = 9 or x = -9

• no solutions

• x = 2 or x = -2

• x = 81 or x = -81

• 26

Solve by taking the Square Root:

16a² - 9 = 0

• a = ± ³/₄

• a = ± ⁴/₃

• a = ± ⁹/₁₆

• a = ± ¹⁶/₉