Factor Quadratics

Solve x(2x+4)=0.

Write your answer as x=a,b without spaces.

Tags

CCSS.HSA-REI.B.4B

Now solve the equation: 0=(x+5)(x-1).

Write your answer as x=a,b without spaces.

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B

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

• -4

• 16

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

Given the perfect square trinomial, identify the equivalent expression

• (x-18)²

• (x-9)²

• (x+81)²

• (x+9)²

Tags

CCSS.HSA.APR.C.4

Factor:

5x² - 28x + 32

• (3x-10)(x+6)

• (x-8)(5x-4)

• (5x-8)(x-4)

• (5x-8)(x+4)

Is this a perfect square trinomial?
x² + 10x + 25

• Yes

• No

Look at the worked out example. Which 2 numbers represent the SOLUTIONS?

• -8 and -9

• -9 and 1

• 1 and -1

• 9 and -1

Tags

CCSS.HSA-REI.B.4B