CPM Homework Help : PC3 Problem 5-103

Write an equation for the line connecting the points on the function $y=\sqrt{x+1}$ at $x=3$ and $x=8$ .

Step 1:

One point on the function is $(3,?)$ . The other point is $(8,?)$ .

Step 2:

Calculate the slope between the two points.

Step 3:

Choose one of the points and use the slope.
Write the equation of the line in point-slope form.
$(y−y_1)=m(x−x_1)$