Linear Equations

What kind of correlation does the graph have?

• Positive correlation

• Negative correlation

• Relatively no correlation

Which equation would best fit this graph?

• $y=-5120x+4180$

• $y=5120x-4180$

• $y=5x$

• Doesn't show linear regression

Which equation is parallel to the follow:

 $y=-2x-3$  

•  $y=-2x-3$  

•  $y=-5x-3$  

•  $y=\frac{1}{2}x+2$  

•  $y=-2x+1$  

Which equation is perpendicular to the follow:

 $y=-2x-3$  

•  $y=-2x-3$  

•  $y=-5x-3$  

•  $y=\frac{1}{2}x+2$  

•  $y=-\frac{1}{2}x+1$  

Solve the inequality.

 $4p-3>2\left(2p+1\right)$  

•  $p>0$  

•  $p<1$  

• No Solution

• All solutions

Solve the inequality.

 $a-4\ge-1\ or\ 3a<-24$  

•  $a<-8\ or\ a\ge3$  

•  $a>-8\ or\ a\le3$  

•  $a<-21\ or\ a\ge-5$  

•  $a\le-8\ or\ a>3$  

Solve the inequality.

 $-27\le9m\le-18$  

•  $3\le m\le2$  

•  $3\ge m\ge2$  

•  $-3\le m\le-2$  

•  $-3<m<-2$  

Solve the equation, if possible.

 $4\left|2z+5\right|-9=-5$  

•  $z=2,3$  

•  $z=-2,\ -3$  

•  $z=-2$  

• No Solution

Solve the inequality.

 $\left|3h-2\right|<7$  

•  $h<3$  

•  $h>-\frac{5}{3}$  

• Both  $h<3\ and\ h>-\frac{5}{3}$  

• No Solution

If you were to graph the equation below, where would you shade your solution?

 $y\ge2x-5$  

• Above the line (to the left)

• Below the line (to the right)

• There are no solutions