section 5 test

What is the factored form of x²+16x+15

• (x+1)(x+15)
• (x+3)(x+5)
• (x-3)(x-5)
• (x-1)(x+15)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the factors of 100x²-64

• (10x-8)(10x+8)
• (x-10)(x+8)
• (10x+8)(10x+8)
• (10x-8)(10x-8)

Tags

CCSS.HSA.APR.C.4

Factor $4x^{2\ }-\ 12x\ +\ 9$  completely

•  $\left(2x\ -3\right)^2$  

•  $\left(2x\ +3\right)^2$  

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

• Cannot be SOLVED

Tags

CCSS.HSA.APR.C.4

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.8.EE.A.2

Solve using the Quadratic Formula:

 $2x^2+7x-15=0$  

•  $x=-1.5,\ 5$  

• No Solution

•  $x=-5,\ 1.5$  

•  $x=0.7,\ 5$  

Tags

CCSS.HSA-REI.B.4B

Factor:  3x² - 10x + 8

• (3x - 2)(x - 4)
• (3x - 4)(x - 2)
• (3x - 4)(x + 2)
• (3x + 4)(x - 2)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6
• x = -5/2, x =5
• x = -3/7, x =6
• x = -5/2, x = 7

Tags

CCSS.HSA-REI.B.4B

Using the graph solve the equation
-x²-2x+3=-5.

• {-3,-1}
• {-2,0}
• {-4,2}
• {-1,4}

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve by taking square roots:

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no real solution

Tags

CCSS.HSA-REI.B.4B