Quiz AA0207

For which of these equations are

x = 5 and x = -5 BOTH solutions?

(Check all correct options)

• x² + 25 = 0

• x² - 25 = 0

• x² + 10x + 25 = 0

• x² - 10x + 25 = 0

Tags

CCSS.HSA-REI.B.4B

Find the zeros of this quadratic.

• b=-2, b=-4
• b=-2, b=4
• b=1/2, b=-2
• b=2, b=-4

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

 $7r^2-14r=-7$  

•  $r=-1,\ 1$  
  

•  $r=\ -7,\ 1$  
  

•  $r\ =-1$  
  

•  $r\ =\ 1$  
  

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

What are the solutions of this graph?

• x=-2 and x=3
• x=-1/2 and x=-6
• x=-2 and x=-6
• x=3 and x=-6

Find the expression equivalent to (x-1)(x-9)  

• x²+9
• x²-10x+9
• x²-10x-9
• x²+10x+9

Tags

CCSS.HSA.APR.A.1

Which equation matches these solutions? x=5,-7

• (x+5)(x-7)=0
• (x-5)(x+7)=0
• (x+5)(x+7)=0
• (x-5)(x-7)=0

Tags

CCSS.HSA-REI.B.4B

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots (x-intercepts) of the equation x² + 3x - 18 = 0?

• -3 and 6
• 0 and -18
• 3 and -6
• 3 and -18