IM I System - Graphing and Sub. Review

Which equation represents the line.

• $y=mx+b$

• $y=-\frac{4}{5}x+3$

• $y=\frac{4}{5}x+3$

• $y=x+3$

What are the slope and y-int of  $2x-4y=8$  

•  $m=\frac{1}{2},\ b=-2$  

•  $m=-2,\ b=\frac{1}{2}$  

•  $m=\frac{1}{2},\ b=2$  

•  $m=2,\ b=-2$  

Which graph represents the line  $4x+5y=15$  

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Solve the system by graphing.

 $x+2y=10$  and  $y=2$  

• (6,3) 

• (2,6) 

• (3,2) 

• (6,2) 

 $y=3x+1$  and  $2x+y=6$  

Solve the system by substitution.

• (4,1) 

• (1,3) 

• (1,4) 

• (2,4)