Question

Find the distance over which you would expect both runners to have the same time ?

Answer 1

Here are my estimates for the points (your estimates may differ slightly):

s t

2 9

2.4 9.5

3.1 13

3.1 14

4 16.5

4.5 24.5

5 20

5.2 24

5.4 24.5

5.6 26.5

5.8 29

6 28.5

Plot these points on the graphing calculator. Then generate a line of best fit (your equation may differ slightly).

t = 5.1s - 2.1

4.1s + 2.1 = 5.1s - 2.1

s = 4.2 km