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-You Throw a Ball Straight Up from a Rooftop

Question 146

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-You throw a ball straight up from a rooftop. The ball misses the rooftop on its way down and eventually strikes the ground. A mathematical model can be used to describe the relationship for the ball's height above the ground, y, after x seconds. Consider the following data:  Solve the problem -You throw a ball straight up from a rooftop. The ball misses the rooftop on its way down and eventually strikes the ground. A mathematical model can be used to describe the relationship for the ball's height above the ground, y, after x seconds. Consider the following data:    Find the quadratic function  y = a x ^ { 2 } + b x + c  whose graph passes through the given points. A)   y = - 12 x ^ { 2 } + 90 x + 36  B)   y = - 10 x ^ { 2 } + 100 x + 24  C)   y = - 16 x ^ { 2 } + 90 x + 40  D)   y = - 16 x ^ { 2 } + 80 x + 50

Find the quadratic function y=ax2+bx+cy = a x ^ { 2 } + b x + c whose graph passes through the given points.


A) y=12x2+90x+36y = - 12 x ^ { 2 } + 90 x + 36
B) y=10x2+100x+24y = - 10 x ^ { 2 } + 100 x + 24
C) y=16x2+90x+40y = - 16 x ^ { 2 } + 90 x + 40
D) y=16x2+80x+50y = - 16 x ^ { 2 } + 80 x + 50

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