9.4 - Complete the Square (pre)

9.4 - Complete the Square

The Prelude

Multiple Choice

x² = 16

• ± 4
• ± 8
• 4
• 8

Multiple Choice

(x - 2) ² = 49

• 9  or  -5
• ± 9
• ± 5
• ± 7

Multiple Choice

(x - 2) ² = 9

• ± 3
• 5  or  -1
• -5  or  1
• ± 9

Multiple Choice

Is this a perfect square trinomial?
x² + 10x + 100

• Yes
• No

Multiple Choice

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

• Yes
• No

Multiple Choice

Is this a perfect square trinomial?
x² + 14x + 49

• Yes
• No

Multiple Choice

Is this a perfect square trinomial?
x² + 16x + 64

• Yes
• No

Multiple Choice

Factor 

x² + 18x + 81                      

• (x + 9)(x – 9)
• (x + 18)²
• (x + 9)²
• (x + 6)²

Multiple Choice

Factor:
 n² + 10n + 25

• (n + 5)(n - 5)
• (n + 25)(n + 1)
• (n - 5)²
• (n + 5)²

Multiple Choice

Factor: x² - 30x + 225

• (x + 15)²
• (x - 15)²
• (x + 25)²
• (x - 25)²

Multiple Choice

Factor: x² - 4x + 4

• (x + 2)²
• (x - 2)²
• (x + 4)²
• (x - 4)²

Multiple Choice

Factor: x² + 24x + 144

• (x + 12)²
• (x + 9)²
• (x + 15)²
• (x + 13)²

Multiple Choice

Find the middle term to create a perfect square trinomial:

 $x^2+_{\ \ \ \ \ \ \ }+49$  

• 14x

• 7x

• 4x

• x

Multiple Choice

Find the middle term to create a perfect square trinomial:

 $x^2-\ \ \ \ \ \ \ +81$  

• x

• 9x

• 18x

• 27x

Multiple Choice

Find the middle term to create a perfect square trinomial:

 $x^2-\ \ \ \ \ \ \ +144$  

• 14x

• 24x

• 12x

• 16x

Multiple Choice

Find the missing c of
x² + 40x + c

• 20
• 200
• 40
• 400

Multiple Choice

Find the missing c of
x² + 18x + c

• 100
• 18
• 72
• 81

Multiple Choice

Find the missing value "c" to create a perfect square trinomial:
x² – 8x  + ___ 

• -4
• 16
• 4
• 8

Multiple Choice

Find the missing value "c" to create a perfect square trinomial:
x² + 26x + ___ 

• 13
• 136
• 169
• 26