exam Maths Puzzle Numerical Ability

A hang glider pilot accidentally drops her compass from the top of a 400-foot cliff. The height (h) of the compass after t seconds is given by the quadratic equation h = -16t2 +

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exam Other Question
Use the quadratic formula to solve

2x squared - 5x = 3


3x squared - 2x + 1 = 0
 When x number of units are sold, the price of each unit (in
dollars) is given by p = -x/2 + 75. Find the unit price when the following quantities
are sold: 2, 7, 9, 11.