How do you find the slope of the secant lines of #f (x) = x ^2 - 4x + 5 # at (1, 2) and (5, 10)?
1 Answer
May 13, 2018
Slope of secant is
Explanation:
First let us confirm, whether
As
and as
Now slope of line joining
and hence slope of secant is
graph{(x^2-4x+5-y)((x-1)^2+(y-2)^2-0.01)((x-5)^2+(y-10)^2-0.01)(y-2x)=0 [-7.13, 12.87, 0.92, 10.92]}