Complete the Square

Complete the square for

x² + 6x + ____

(find the missing value that goes in the blank)

• x² + 6x + 9

• x² + 6x - 36

• x² + 6x + 36

• x² + 6x - 196

Complete the square for

x² - 14x + ____

(find the missing value that goes in the blank)

• - 196

• + 49

• - 7

• - 49

Complete the square for

x² - 16x + ____

(find the missing value that goes in the blank)

• + 32

• - 16

• + 64

• + 8

What value of c would make this a perfect square trinomial?

x² + 18x + c

• + 36

• + 9

• - 81

• + 81

7. What value of c would make this a perfect square trinomial?

x² + 34x + c

• + 289

• 0

• + 2

• - 1

5. What value of c would make this a perfect square trinomial?

x² + 2x + c

• + 4

• - 4

• + 2

• + 1

What value of c would make this a perfect square trinomial?

• + 40

• - 20

• + 100

• + 10

Solve by completing the square:

n² - 2n - 3 = 0

• n = 3 and -1

• n = 4 and -4

• n = 5 and -3

• n = 8 and -7

Solve by completing the square:

k² − 12k + 20 = 0

• k = 10 and 2

• k = -6 and -6

• k = 22 and -10

• k = -2 and 6

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

x² + 6x + ___

• 6

• -6

• 9

• -9