What is the equation of the line that passes through point (4,12) and has a y-intercept of -2?

Question

asked May 6, 2019 68.1k views

1 Answer

Edmond Quinton · Answer 1 · 2019-05-11T13:12:02+0000

The general formula of an equation is
y=mx+b

we are told that the y-intercept is -2 as such we have the following so far
y=mx-2

to calculate the slope we do the following:

$y=mx-2 \\ 12=m(4)-2 \\ 12=4m-2 \\ 14=4m \\ m= (14)/(4)$
therefore the equation is

y= (14)/(4)x-2