Solving Quadratics with Square Root

x² = 16

• ± 4

• ± 8

• 4

• 8

Solve using square roots.

• ± 1/4

• ± 9/36

• ± 1/2

• No real solution

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Solve using square roots:

10x² + 3 = -17

• x = 6.7 or x = -6.7

• x = 2.25 or x = -2.25

• x = -2 or x = 2

• No real solution

Solve using square roots:

5x² + 6 = 186

• x = 1.3 or x = -1.3

• x = 6 or x = -6

• No real solutions

• x = 6

(x-5)² = 25

• ±0

• ±10

• 10, 0

• -10, 0

x² = 25

• x = -5

• x = 5i, x = -5i

• x = 5

• x = 5, x = -5

Solve using square roots

3(x - 2)² - 4 = -16

• 2 ± 2i

• 2 ± √2i

• 2 ± 4i

• -2 ± 2i