Solving Quadratic Equations Square Root

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10

• -14, 6

• -6, 14

• 100

Solve by taking square roots:

5m² + 1 = 6

• m = 1

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no real solution

Solve using square roots:

x² - 18 = 0

• x = ±√18

• No solution

• x = ±9

• x = 18

x² = 16

• ± 4

• ± 8

• 4

• 8

Solve for m.

4m² + 10 = 38

• m = 7, -7

• m = 0.96, -0.96

• m = 1.32, -1.32

• m = 2.65, -2.65

x²−10=19

• x = √29

• x = ±2√9

• x = ±29

• x = ±5√19

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

2x²= 30

• x= √5

• x= √30

• x= √15

• x= ±5