Completing the square

How do you find "c"

Multiple Choice

Complete the Square
x² + 10x + ____

• x² + 10x - 100
• x² + 10x + 100
• x² + 10x - 25
• x² + 10x + 25

Multiple Choice

Complete the square.
x² + 6x + ____

• x² + 6x + 9
• x² + 6x - 36
• x² + 6x + 36
• x² + 6x - 9

Multiple Choice

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Multiple Choice

What value of c would complete the square?

x² +8x + c

• 4

• 16

• 64

• -16

Multiple Choice

6. Complete the square for

x² - 16x + ____

(find the missing value that goes in the blank)

• + 32

• - 16

• + 64

• + 8

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

Perfect square trinomial simplification

To simplify perfect square trinomial square a and c. Then find the correct sign in the middle.

Multiple Choice

Factor the perfect square trinomial:
x² + 16x + 64

• (x+8)²
• (x-8)²
• (x-4)²
• (x+4)²

Multiple Choice

Factor the perfect square trinomial
x² + 14x + 49

• (x+7)²
• (x+7)(x-7)
• (x-7)²
• (x+14)²

Match

Match the following

• x² + 16x + 64 =
• x² - 16x + 64 =

• x² + 8x + 16 =

• x² + 4x + 4 =

• x² - 4x + 4 =

(x + 8)²

(x - 8)²

(x + 4)²

(x + 2)²

(x -2)²

• (x + 8)²
• (x - 8)²

• (x + 4)²

• (x + 2)²

• (x -2)²

Dropdown

x² + 32x +

Select answer

= (x+​

Select answer

)²​

Dropdown

x² - 18x +

Select answer

= (x -​

Select answer

)²​

Multiple Choice

Which coin is worth more?

Multiple Choice

How much money do you have?

• 50¢

• 33¢

• 85¢

• 27¢

Multiple Choice

How much money do you have?

• $18.62

• $22.85

• $31.05

• $20.40

Multiple Choice

What time is it?

• 6:00
• 6:30
• 7:00
• 7:30

Multiple Choice

What time is it?

• 1:50

• 10:00

• 10:10

• 6:12

Multiple Choice

Factor:
x² + 5x - 24

• (x - 8)(x + 3)
• (x + 8)(x - 3)
• (x + 6)(x - 4)
• (x + 12)(x - 2)

Multiple Choice

Factor:
x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime