Complete the Square L1

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)

Mathematical Equivalence

ON

Complete the square for

x² -10x + ____

(find the missing number in the blank)

Mathematical Equivalence

ON

Complete the square for

x² -8x + ____

(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 -24x + ____

(find the missing number in the blank)

Mathematical Equivalence

OFF

Complete the Square
x² + 6x = 5

• (x + 3)² = 5
• (x + 6)² = 9
• (x + 3)² = 14
• (x + 6)² = 14

Complete the Square
x² - 8x = 12

• (x - 4)² = 28

• (x + 8)² = 17

• (x + 4)² = 12

• (x + 16)² = 28

Complete the square.
x² + 14x + ____

• x² + 14x - 196
• x² + 14x + 49
• x² + 14x - 49
• x² + 14x + 196