Solving Quadratics by Completing the Square

Solve the following quadratics equation by completing the square...

x² + 12x + 8= 0

• x = -6 ± 2√7

• x = 6 ± 2√7

• x = 28 ± √6

• x = -28 ± √6

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² + 4x - 1 = 0

• x = -2 ± √5

• x = -5 ± √2

• x = 2 ± √5

• x = -5 ± √5

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² - 4x - 1 = 0

• x = -2 ± √5

• x = -5 ± √2

• x = 2 ± √5

• x = 5 ± √5

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Complete the square for: v² - 18v + 87 = 7

• (v + 9)² - 1

• (v + 9)² + 1

• (v - 9)² - 1

• (v - 9)² + 1

Tags

CCSS.HSA-REI.B.4B

Miked solved the equation x² + 8x = 14 by completing the square. Which of the following equations is part of the correct solution.

• (x + 4)² = 14

• (x + 4)² = 18

• (x + 4)² = 30

• (x+ 4)² = 30

Tags

CCSS.HSA-REI.B.4B

Lori is completing the square to solve the quadratic equation. Which equation is the result of correctly completing the square?​

Tags

CCSS.HSA-REI.B.4B

Solve.

(2x - 4)² = 16

• x = 4

• x = 10

• x = -2

• x = 0, 4

Tags

CCSS.HSA-REI.B.4B

Lori is completing the square to solve the quadratic equation. Which equation is the result of correctly completing the square?​

Tags

CCSS.HSA-REI.B.4B