Section 9.2-9.4 Test

Solve the inequality.
 $4x+3>15$  

 $x>$   ___

Solve the inequality.
 $-4x\le20$ 

•  $x\le5$  

•  $x\ge5$  

•  $x\le-5$  

•  $x\ge-5$  

Which inequality matches the graph?

•  $y>\frac{1}{2}x+3$  

•  $y<\frac{1}{2}x+3$  

•  $y\ge\frac{1}{2}x+3$  

•  $y\le\frac{1}{2}x+3$  

Which inequality matches the graph?

•  $x>0$  

•  $x<1$  

•  $x\ge1$  

•  $x>1$  

Choose the ordered pair that is a solution to the inequality:

 $2y-3>x+4$  

•  $\left(0,\ 3\right)$  

•  $\left(1,\ 5\right)$  

•  $\left(6,\ 0\right)$  

•  $\left(-3,\ 2\right)$  

Which point is a solution to the graph?

• $\left(0,\ 2\right)$

• $\left(0,\ 0\right)$

• $\left(0,\ -4\right)$

• None of them

What is true about the graph of:
 $y\ge2x+3$  

• Solid Line and Shaded Above

• Solid Line and Shaded Below

• Dashed Line and Shaded Above

• Dashed Line and Shaded Below

Greg is renting a lawn mower. It costs $12 to rent the mower plus an additional $5 per hour. Greg only has $40 to spend on renting the lawn mower. 

Let x represent the hours he rents the mower.

Which inequality describes this situation?

•  $12+5x\ge40$  

•  $12x+5\ge40$  

•  $12+5x\le40$  

•  $12x+5\le40$  

Which point is a solution to the system?

 $y\ge2x$  

 $y<\frac{1}{3}x+2$  

•  $\left(-2,\ 4\right)$  

•  $\left(4,\ 4\right)$  

•  $\left(4,\ -2\right)$  

•  $\left(-4,\ -2\right)$  

What is one of the inequalities from the system that created this graph?

• $y\le x-3$

• $y\ge x-3$

• $y\le4x+1$

• $y\ge4x+1$