Answer:
y=4x-9
Step-by-step explanation:
Slope:
y2-y1=m(x2-x1)
subsitute the values
-5-3=m(1-3)
solve
-8=m-2
divide both sides by coefficient of x
/-2 /-2
4=m
y-intercept:
y=4x+b
subsitute
3=4(3)+b
solve
3=12+b
subtract 12 from both sides
-12-12
solve
-9=b
