How do you find the slope & y-intercept of the equation #y = -3x + 9#?
Dec 7, 2015
The slope is the rate at which y changes with x.
In this equation the rate is -3x.
So for every 1 unit of x, y decreases by 3.
The y intercept is the point where x=0.
In this case, the y intercept is 9