Algebra I (Common Core) Practice Exam Worksheet With Scoring Key And Rating Guide - Mike Miller Page 26
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40Part IV
Answer the question in this part. A correct answer will receive 6 credits. Clearly
indicate the necessary steps, including appropriate formula substitutions, diagrams,
graphs, charts, etc. A correct numerical answer with no work shown will receive only 1
credit. The answer should be written in pen, except for graphs and drawings, which
should be done in pencil. [6]
37 As part of his science fair project, Jordan launched a model rocket from a platform in the
middle of a field. The function h(t) = –16t
+ 72t + 7 represents the height, in feet, of the
2
rocket, and t represents the time, in seconds, since the rocket was launched.
Graph and label h(t) on the grid below from the time the rocket is launched (t = 0) until it hits
the ground.
Determine the maximum height of the rocket and the time it takes the rocket to reach that
height. Label the point on your graph that represents when this occurs.
State how long it takes the rocket to hit the ground to the nearest tenth of a second. Label the
point on your graph that represents when this occurs.
Algebra I – Practice Exam
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