Question

what is the equation for a line with the point 1,5 and a slope of 3

Answer 1

using y = mx + b to find b 
5 = 3(1) + b
b = 2

equation
y = 3x + 2

Answer 2

Point Slope Form:  y-5 = 3(x-1)

Slope Intercept Form:  y = 3x + 2

Standard Form:  3x - y = -2