Question

Write an equation of the line in slope-intercept form.

Answer 1

Explanation:

let us first let us calculate the gradient.

-30÷3 =-10

and the y-intercept( where the value of x=0) it is 30 therefore the equation will be y=-10x +30

lets test it if x=3

y=-10(3)+30

y=0

(3;0)