Question #570e2
1 Answer
Dec 5, 2017
Explanation:
- Use point slope equation:
(y_2-y_1)/(x_2-x_1)
(-8-4)/(3-0)=-12/3=-4 f(0)=4 They give you the y-intercept in this problem.- Apply to slope equation:
y=mx+b - Linear function:
y=-4x+4
Note: To check your work, graph the linear equation and see if the points match at(0,4) and(3,-8) .
graph{-4x+4 [-10, 10, -5, 5]}