Completing 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

Complete the square for

x² + 12x + ____

(find the missing number in the blank)

• x² + 12x + 144

• x² + 12x + 36

• x² + 12x - 36

• x² + +12x - 144

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Complete the square for

x² - 14x + ____

(find the missing value that goes in the blank)

• - 196

• 49

• - 49

• 28

Tags

CCSS.HSA.REI.B.4

Complete the square for

x² + 6x + ____

(find the missing value that goes in the blank)

• 9

• 12

• 36

• - 9

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Is this a perfect square trinomial? (Will it factor into 2 common factors?)

x² + 18x + 9

• Yes

• No

Tags

CCSS.HSA.SSE.A.2

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

• 4
• 16
• 64
• -16

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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

• 2
• 4
• -2
• 1

Tags

CCSS.HSA.SSE.A.2

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

• 36
• 24
• 144
• -36

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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

• 13
• 136
• 169
• 26

Tags

CCSS.HSA.SSE.B.3

Factor the perfect square trinomial
x² + 14x + 49

• (x+7)²

• (x+7)(x-7)

• (x-7)²

• (x+14)²

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.B.3