Unit 3 Review

$<1\cong<4$

$<1\cong<5$

$<1\cong<6$

$<1\cong<7$

 $y=-\frac{1}{2}x+6$  

 $y=-2x+9$  

 $y=\frac{1}{2}x+4$  

 $y=-\frac{1}{2}x+3$  

The lines are parallel

The lines intersect and are perpendicular

The lines intersect and are not perpendicular 

The lines are the same

$<2,<3,\ and\ <6$

$<4,<5,\ and\ <8$

$<2,<4\ and\ <6$

$<7,\ <4,\ and\ <5$

 $y=\frac{3}{2}x-\frac{23}{3}$  

 $y=-\frac{3}{2}x+\frac{23}{3}$  

 $y=-\frac{2}{3}x+\frac{23}{3}$  

 $y=-\frac{2}{3}x-\frac{23}{3}$