Test 6 Review II

Find the value of v.
 $8v-4\left(v+8\right)=8$  

• 2

• 10

• 4

• -4 

What is the RANGE of this graph?

• $-7<x<5$

• $-7\le x<5$

• $-3<y<1$

• $-3\le y<1$

Match the system to the graph.

• $y\le3x$
  $y\le-2x+4$

• $y>3x$
  $y>-2x+4$

• $y<3x$
  $y>-2x+3$

• $y>3x$
  $y<-2x+4$

Which system of inequalities matches the graph?

• $y>2x-4$
  $y<2$
  

• $y<2x-4$
  $y<2$
  

• $y>2x-4$
  $y\le2$
  

• $y<2x-4$
  $y\ge-2$
  

Caitlin won a bag full of money! She has 49 bills in all. She counts $1430. There are twenty dollar bills and fifty dollar bills. Which system best represents the situation?

• $x+y=1430$
  $20x+50y=49$
  

• $x+y=49$
  $10x+5y=1430$

• $x+y=49$
  $20x+50y=1430$

• $x+y=49$
  $x+y=1430$

Flagship Cinemas sells movie tickets that are $4 for matinees and $7 for regular. One night, the theater sells 578 tickets and collects $3365 in total ticket sales.

Which system best represents the situation?

• $4x+7y=578$
  $x+y=3365$

• $4x+7y=3365$
  $x+y=578$

• $7x+4y=578$
  $x+y=3365$

• $7x+4y=3365$
  $7x+4y=578$
  

What is the solution to this system?
 $x-y=6$  
 $y=2x-5$  

• (1, 3)

• (-1, 3)

• (-1, -7)

• (1, -7)

A line is perpendicular to $y=2x-7$  
What is the slope of this line? 

•  $-2$  

•  $\frac{1}{2}$ 

•  $-\frac{1}{2}$ 

•  $2$ 

Find the rate of change.

• $-\frac{3}{4}$

• $\left(-4,3\right)$

• $\frac{4}{3}$

• $-\frac{4}{3}$

Select ALL the linear equations below that have a slope of -3.

•  $y=-3x-2$  

•  $-3x+y=12$  

•  $y-7=-3\left(x+2\right)$  

•  $9x+3y=15$