# How do you find the slope of the secant lines of # f(x)=x^2-5x# through the points: (1, f(1)) and (8, f(8) )?

##### 1 Answer

Nov 2, 2015

Slope =4

#### Explanation:

f(1)= 1-5 =-4. First point is thus (1, -4)

f(8)= 64-40= 24. Second point is thus (8, 24)

Slope is therefore =