Question

What is the equation of a line that passes through (1, 3) and has a slope of 2?

Answer 1

Y=mx+b m=slope b=y intercept y=2x+b subsitute point (x,y) (1,3) x=1 y=3 subsitute 3=2(1)+b 3=2+b subtract 2 1=b equation y=2x+1