MCAS 2002, 10th Grade Math, Questions 5 to 8

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Question #5

The graph below models the cost of manufacturing calculators.

Which equation shows the relationship between the number of calculators, n, and the total cost, C?

A. C = 300 + n

B. C= 300 + 0.08n

C. C= 300 + 15n

D. C= 300 + 12.5n

Question #6

Lani had a box that contained Lani removed one marble without looking, and she recorded the result. She placed the marble back in the box and repeated the procedure one more time. What is the probability that Lani removed a red marble followed by a blue marble?

A. 1/36

B. 1/18

C. 1/3

D. 1/2

Question #7

What is the value of the expression 3|2 - 4| - 7?

A. -13

B. -1

C. 1

D. 13

Question #8

Computers are designed around off/on switches that are used to represent numbers. In the following pattern, which represents the numbers from 0 to 10, represents a switch that is on and represents a switch that is off.

Which of the following represents the number 11?

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