A line passes through the points (–9, 8) and (0, 5). What is its equation in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answer 1

slope = 3/-9 = -1/3

y=-1/3x + b where b is calculated by plugging in either point

(0,5) is easier

5 =3(0) + b

b =5

the equation is y=-1/3x +5 or

3y=-x +15