Slope = (5+4)/(4+8) = 9/12 = 3/4
Using the property that for Ax + By + C = 0
the slope is -A/B , we know equation is
3x - 4y = k
but (4,5) lies on it, so 12 - 20 = k = -8
equation:
3x - 4y = -8
The graph of a linear function passes through (−8,−4) and (4, 5). What is the equation of the function?
1 answer