Question

write an equation in standard form for the line with a slope of 7 that passes through the point ( 1,2)

Answer 1

Point Slope form, slope m through (a,b), is

y-b = m(x-a)

We have m=7 through (1,2) so

y - 2 = 7(x - 1) = 7x - 7

7x - y = 5

Answer: 7x - y = 5