Question: Question 6 (2 points) Explain the most efficient method for determining the number of zeroes of a quadratic function. How is this information useful? Question

Question 6 (2 points) Explain the most efficient method for determining the number of zeroes of a quadratic function. How is this information useful? Question 7 (3 points) If you are given the roots of a quadratic function, what other information is needed to determine the equation of this quadratic. Describe the process that is followed in order to determine this equation. Question 9 (6 points) The height, h metres, of a cannon ball, t seconds after it has been shot out of a cannon is given by the formula h(t) = -5t2 + 20t + 2. a) Determine the maximum height of the cannon ball. b) How long does it take the cannon ball to reach its maximum height? c) How long does it take the cannon ball to reach the ground? d) How high off the ground is the cannon ball when it is shot out of the cannon

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