Question: #9 a and b pls explain 3 ( x-3) +19- 27 Y = 3 ( x - 3 ) - 8 0O' Write a quadratic

#9 a and b pls explain

3 ( x-3) +19- 27 Y = 3 ( x - 3 ) - 8 0O' Write a quadratic function in vertex form that has an axis of symmetry of x = -5 and passes through the points (-6, 2) and (-3, 20). [2 marks] A football punt followed the path of a parabola. The path can be modelled by the function h(t) = -5t2 + 15t + 1 where t represents time in seconds and h(t) is in metres above the ground after t seconds. [2 marks] What is the maximum height of the football and at what time will it reach that height. How many seconds did it take for the football to hit the ground? * 10. Determine the value of m the quadratic equation x - 8x + (m +.3) has to be in order to have on distinct root. [2 marks] b2 - you = (-8)2 -4 (11(m+ 3) = 64-4(m+ 3) = 64 - 4 m- 12 27

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