Solving Quadratics

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

• 4
• 2
• 8
• 20

Complete the Square
x² + 6x = 5

• (x + 3)² = 5
• (x + 6)² = 9
• (x + 3)² = 14
• (x + 6)² = 14

What is one of the solutions to this equation?
(2x - 1)² = 49

• 7
• -7
• -4
• -3

Solve the equation by completing the square and then finding the roots. 
x²+ 6x - 4 = 36

• x = -7, 7
• x = 4, -10
• x = -4 +- √7
• x = 10, -4

Solve by completing the square.
x² +12x = 5

• X = 6 + √41 or  6 − √41
• X= 35 or 47
• X = −6 + √41 or  −6 − √41
• X = √35 or √47

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}
• {-6 + √13, -6 - √13}
• {6 + √59, 6 - √59}
• {-6 + √59, -6 - √59}

• A
• B
• C
• D

• ...wut?

Complete the Square and solve the equation.
r² - 4r = 30

• 2 ± √ 34
• ± √ 34
•  34
• ± 2

Complete the Square and solve the equation.
m² - 16m = -59

• 8
• 8 ± √ 5
•  ± √ 13
• -8 ± √ 5