Solve by Completing the Square

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

• 36

• 24

• 144

• -36

Tags

CCSS.HSA-REI.B.4B

Complete the Square (this is step before you take square root on both sides)

x² + 6x = 5

• (x + 3)² = 5

• (x + 6)² = 9

• (x + 3)² = 14

• (x + 6)² = 14

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What is the first step to solving THIS equation by completing the square?

• Divide 10 by 2 and add the result to both sides

• Subtract the 7

• Set the equation equal to zero

Tags

CCSS.HSA-REI.B.4B

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

• 2

• 4

• -2

• 1

Tags

CCSS.HSA-REI.B.4B

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

• 13

• 136

• 169

• 26

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square (lead number must be 1):

4x² - 32x + 8 = 12

• x = 8.12 & -0.12

• x = 8.12 & 0.12

• x = -8.12 & 0.12

• x = -8.12 & -0.12

Tags

CCSS.HSA-REI.B.4B

Create a Perfect Square Trinomial (find "c"):

x² + 6x + ___

• 6

• -6

• 9

• -9

Tags

CCSS.HSA-REI.B.4B

• X = 6 + √41 or  6 − √41

• X= 35 or 47

• X = −6 + √41 or  −6 − √41

• X = √35 or √47

Tags

CCSS.HSA-REI.B.4B

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-REI.B.4B