Completing the Square of Quadratic Expressions

What value of r is used to solve the equation by the method of completing the square?

• 3

• 9

• 6

• 14

What value of r is used to solve the equation by the method of completing the square?

• 25

• 2.5

Solve by completing the square: x^2-2x-15=0

• x= -5,3

• x= -3,5

• x= 2,15

• x= 5,-7

Solve by completing the square: x² + 3x= 40

• x= 3, 40

• x= 8,-5

• x= -8, x= 5

• x= 5, 8

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

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

• A
• B
• C
• D

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

• (v + 9)² - 1

• (v + 9)² + 1

• (v - 9)² - 1

• (v - 9)² + 1

• F
• G
• H
• I