Find C to Complete the Square

What do you do to the b value to correctly complete the square?

• square it
• divide it by 2 and square the result
• divide it by 2 and take the square root of the result
• divide it by 2 only

Factor the perfect square trinomial:
x² + 16x + 64

• (x+8)²
• (x-8)²
• (x-4)²
• (x+4)²

Factor the perfect square trinomial
x² + 14x + 49

• (x+7)²
• (x+7)(x-7)
• (x-7)²
• (x+14)²

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4
• 16
• 64
• -16

What value of c would make this a perfect square trinomial?
x² + 2x + c

• 2
• 4
• -2
• 1

What value of c would make this a perfect square trinomial?
x² - 12x + c

• 36
• 24
• 144
• -36

Find the missing value "c" to create a perfect square trinomial:
x² + 26x + ___ 

• 13
• 136
• 169
• 26

Find the missing value "c" to create a perfect square trinomial:
x² – 8x  + ___ 

• -4
• 16
• 4
• 8

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 - 4
• (x + 6)² - 4
• (x + 3x)² - 4
• (x + 3)² + 9