PLEASE ONLY USE GRADE 11 FUNCTIONS MATH TO SOLVE ALL THE PROBLEMS. SHOW YOUR WORK FOR ALL (PENCIL AND PAPER). Need it in less than an hour, thank you

Question 10 (6 points) a) Find the vertex of the function y - 2x + 20x + 18 by completing the square. Show all your work for full marks. b) Verify your answer in a by using either factoring or partial factoring. Show all your work for full marks! Paragrar R U V A + Y . . .Question 12 (4 points) Use the discriminant to determine the number of roots for each of the following functions. Show all of your work for full marks. a) y = -3x2 - 4x +8 b) y = -2x- + 10x - 13Question 13 (4 points) Jermaine is trying to kick a football for a field goal. The field goal upright has a height of 20 ft. The height of the ball is modelled by the function h(1) = - 4.9:" + 20t + 0.3 where h(t) represents the height in feet and t models the time in seconds. Assuming he kicks the ball directly toward the upright, will Jermaine be able to kick the ball over the upright or will he miss? Justify your answer.Question 16 (6 points) A skydiver jumps out of a plane. The height of a skydiver can be modelled by the quadratic function h, (1) - - 4.9+ + + 4900, where t is the time in seconds and h, () is the height above the ground in metres. After he releases his parachute, his height above the ground can be modelled by the function /2 (#) - - 5: + 4100. How long after jumping did he release his parachute? At what height did he release the parachute