Factoring and Completing the Squares

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

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

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

• 4
• 16
• 64
• -16

Find the value of "c" that completes the square.

 $x^2+28x+c$  

• 28

• 14

• 196

• 56

 $x^2+12x+$  ___

Complete the square!

• x² + 12x + 144

• x² + 12x + 36

• x² + 12x - 36

• x2 + 12x - 144

Complete the square.

x² - 14x + ____

• - 196

• 49

• - 49

• 28