Solve by Completing the Square Lesson

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Complete the square for

x² + 6x + ____

(find the missing value that goes in the blank)

• 9

• 12

• 36

• - 9

Multiple Choice

Is this a perfect square trinomial?
x² + 18x + 9

• Yes

• No

Multiple Choice

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

• 4

• 16

• 64

• -16

Multiple Choice

Solve by completing the square:

v² + 6v − 59 = 0

• {-5 + √50, -5 - √50}

• {5 + √50, 5 - √50}

• {-3 + √68, -3 - √68}

• {3 + √68, 3 - √68}

Multiple Choice

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}