It’s a. vertex is the lowest or highest point so (1,-8) x-intercepts is where the parabola hits the x axis so (-1,0) and (3,0)
Answer:
the problem is the comparison with the calculated time for Jillian and the actual time for Jillian to run the 7 miles. Note: 16% error is the approximate error because the numbers have 2 significant figures stated in the problem.
Step-by-step explanation:
i got it from mathematics.org