Question 174493
y=2x+5:(8,21), (-1,3),(-3,-1)
y=2*8+5
Y=16+5
Y=21
--------
Y=2*-1+5
Y=-2+5
Y=3
--------
-1=2X+5
-1=2X+5
2X=-1-5
2X=-6
X=-6/2
X=-3