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Solve the Problem y=ax2+bx+cy = a x ^ { 2 } + b x + c

Question 239

Multiple Choice

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:  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 = - 16 x ^ { 2 } + 90 x + 20  B)   y = - 12 x ^ { 2 } + 90 x + 16  C)   y = - 16 x ^ { 2 } + 80 x + 30  D)   y = - 10 x ^ { 2 } + 100 x + 4

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


A) y=16x2+90x+20y = - 16 x ^ { 2 } + 90 x + 20
B) y=12x2+90x+16y = - 12 x ^ { 2 } + 90 x + 16
C) y=16x2+80x+30y = - 16 x ^ { 2 } + 80 x + 30
D) y=10x2+100x+4y = - 10 x ^ { 2 } + 100 x + 4

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