Alg 2 Practice Final (MC only)

The solutions of the quadratic equation

x²+12x+35=0 are

Hint: Factor first ( )( ) = 0

• x = -5 or x = -7

• x = 5 or x = 7

• x = -35 or x = -1

• x = -9 or x = -4

Solve by completing the square.
x² +12x = 5

• X = 6 + √41 or  6 − √41
• X= 35 or 47
• X = −6 + √41 or  −6 − √41
• X = √35 or √47

Tags

CCSS.HSA-REI.B.4B

What is the vertex?

 $y=3\left|x-2\right|+4$  

• (2, 4)

• (-6, 0)

• (-2, 4)

• (-2, -4)

Tags

CCSS.HSF-IF.C.7D

Identify the vertex.

 $y=2\left(x-4\right)^2+6$  

• (4,6)
  

• (6,4)

• (-4,-6)

• (-4,6)

Factor completely!  $8x^2+28x+12$  

•  $4\left(x+3\right)\left(2x+1\right)$  

•  $2\left(x+2\right)\left(4x+3\right)$  

•  $2\left(x+3\right)\left(2x+1\right)$  

•  $4\left(x+1\right)\left(x+6\right)$  

Solve! $w^2+9w=0$  

• w={-9, 0}
  

• w = {-9, 3}
  

• w = {0, 9}

• w = {1, 9}

Tags

CCSS.HSA-REI.B.4B

Multiply!   $\left(7-i\right)\left(2+3i\right)$  

•  $17+19i$  

•  $11+23i$  

•  $24-16i$  

•  $14-24i$  

Tags

CCSS.HSN.CN.A.2

Match:

 $f\left(x\right)=2x^2+8x-2$  

• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Match:

 $f\left(x\right)=\left(x-2\right)\left(x+4\right)$  

• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Factor:
x² - 14x + 24

• (x - 8)(x - 3)
• (x - 12)(x - 2)
• (x - 6)(x - 4)
• (x - 24)(x - 1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.APR.B.3