MCAS 2000, 10th Grade Math, Questions 9 to 12
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Question #9
A movie projector positioned 28 feet from a wall creates an image that is 7 feet wide on the wall. If a screen is placed 5 feet in front of the projector, what will be the width of the image on the screen?
A. less than 1 foot
B. between 1 and 2 feet
C. between 3 and 4 feet
D. greater than 4 feet
Question #10
Mr. Spruce displayed the student scores in math class using the stem-and-leaf plot shown below.
The median student score is
A. 82.
B. 81.
C. 88.
D. 85.
Question #11 (Short-Answer Question)
Solve the following equation for x.
0.5(x - 8) = 0.2x + 11
Question #12 (Short-Answer Question)
What is the missing term in the quadradic expression below?
(2x - 3)(x + 4) = 2x2 + ___ - 12
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