Solve By factoring Quiz review

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

What are the factors of

25x² - 81?

• (5x - 9)(5x + 9)

• (5x - 9)(5x - 9)

• (5x + 9)(5x + 9)

• Prime (Can't be factored)

Tags

CCSS.HSA.APR.C.4

Factor and Solve

 $4x^2+32x+60=0$  

•  $x=+5,+8$  

•  $x=-8,-5$  

•  $x=7$  

•  $x=-5,-3$  

Tags

CCSS.HSA-REI.B.4B

Factor this Quadratic

 $3x^2+13x-10=0$  

•  $\left(3x+2\right)\left(x-5\right)=0$  

•  $\left(3x-2\right)\left(x+5\right)=0$  

•  $\left(5x-3\right)\left(x+2\right)=0$  

•  $\left(3x-3\right)\left(x+5\right)=0$  

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring

 $5x^2+48x+27=0$  Look at your notes.

•  $x=-\frac{3}{5},+9$  

•  $x=+5,+9$  

•  $x=-\frac{3}{5},-9$  

•  $x=-9,-5,-3$  

Tags

CCSS.HSA-REI.B.4B

Complete the square for

x² - 12x + ____

• 144

• 36

• - 36

• 24

Tags

CCSS.HSA-REI.B.4B

Given the perfect square trinomial, identify the factored form.

x²-18x+81

• (x-18)²

• (x-9)²

• (x+81)²

• (x+9)²

Tags

CCSS.HSA.APR.C.4

Complete the Square and write in Vertex Form:

f(x) = x² + 6x + 5

• f(x) = (x + 3)² - 4

• f(x) = (x + 6)² - 4

• f(x) = (x + 9)² - 4

• f(x) = (x + 3)² + 9

Tags

CCSS.HSA-REI.B.4B

Complete the square and write in Vertex Form 
f(x) = x² + 4x + 9

• f(x) = (x+2)² + 5
• f(x) = (x - 2)² + 5
• f(x) = (x+4)² + 5
• f(x) = (x+2)² - 5

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3