Completing Square Method

x² + 18x + 81

• (x + 9)(x – 9)

• (x + 18)²

• (x + 9)²

• (x + 6)²

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

Select all that apply: Which polynomial is equivalent to ( x+ 5)²

• x² + 10x +25

• x² - 10x +25

• (x+5)(x+5)

• -x² + 10x +25

Complete the square for

x² -24x + ____

(find the missing number in the blank)

Mathematical Equivalence

OFF

Complete the square for

x² +16x + ____

(find the missing number in the blank)

Mathematical Equivalence

OFF

Complete the square for

x² -8x + ____

(find the missing number in the blank)

Mathematical Equivalence

OFF

Complete the square for

x² -10x + ____

(find the missing number in the blank)

Mathematical Equivalence

ON

Complete the square for

x² + 12x + ____

(find the missing number in the blank)

Mathematical Equivalence

ON

Factor: x² - 30x + 225

• (x + 15)²

• (x - 15)²

• (x + 25)²

• (x - 25)²