y=mx+b
m=slope
b=y intercept
if you are given the point (x,y), and the slope m, remember that you can subsitute the values and find b
also, if y ou have the point (0,c) then c=b in the y=mb+b
14.
(-4,1) and slope is 3
x=-4 and y=1 so
1=-4(3)+b
1=-12+b
13=b
y=3x+13 is da equation
15.
(0,0)
(0,c)
c=b=0
and slope=-5
y=-5x+0 or y=-5x
16.
(0,6)
(0,c)
c=b=6
slope=2/3
y=2/3x+6