9, 10,11 plz

Math 150 Review Test 2 Chapter 2 Name 9. A football player punted a football. The following data shows the height of the football / seconds after it was kicked Time / sec. 0 0.5 2 2.75 Height b(t) ft. 4 25 38 40 20.5 10 a) Create a scatterplot of the data. Sketch it below. b) Using quadratic regression, find the equation that best models the ball's path. Record it below. You may use your calculator to answer all the remaining parts. c) What was the height of the football when the player initially kicked it? d) What is the maximum height that the football reached? e) After how many seconds does the ball hit the ground? 10. In the quadratic formula, the quantity b2 - 4ac is called the because it determines the number and type of solutions. If b2 - 4ac > 0, there is/ are solution(s) If b2 - 4ac = 0, there is/ are solution(s) If b2 - 4ac