11.3 Solving Quadratics- Square Root Method

Solve the quadratic equation by taking the square root.

-2x² = -162

• x = 40.5

• x = ± 9

• x = 81

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by taking the square root.

x² - 5 = -4

• x = 4.5

• x = ± 1

• x = ± 3

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by taking the square root.

2x² + 10 = 210

• x = 10.48

• x = 110

• x = 100

• x = ± 10

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by taking the square root.

Type only the POSITIVE value.

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by taking the square root.

Type only the NEGATIVE value.

(x + 7)² = 81

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4