Linear Equations

Positive correlation

Negative correlation

Relatively no correlation

$y=-5120x+4180$

$y=5120x-4180$

$y=5x$

Doesn't show linear regression

 $y=-2x-3$  

 $y=-5x-3$  

 $y=\frac{1}{2}x+2$  

 $y=-2x+1$  

 $y=-2x-3$  

 $y=-5x-3$  

 $y=\frac{1}{2}x+2$  

 $y=-\frac{1}{2}x+1$  

 $p>0$  

 $p<1$  

No Solution

All solutions

 $a<-8\ or\ a\ge3$  

 $a>-8\ or\ a\le3$  

 $a<-21\ or\ a\ge-5$  

 $a\le-8\ or\ a>3$  

 $3\le m\le2$  

 $3\ge m\ge2$  

 $-3\le m\le-2$  

 $-3<m<-2$  

 $z=2,3$  

 $z=-2,\ -3$  

 $z=-2$  

No Solution

 $h<3$  

 $h>-\frac{5}{3}$  

Both  $h<3\ and\ h>-\frac{5}{3}$  

No Solution

Above the line (to the left)

Below the line (to the right)

There are no solutions