MCAS 1998, 10th Grade Math, Questions 25 to 28


Question #25

If the area of a rectangle is 8x2— 12x, the dimensions of the rectangle could be

A. 2x and (x — 3).

B. 4x and x.

C. 4x and (2x — 3).

D. 4x and (x — 3).


Question #26

The sophomore class is sponsoring a dance for students in the ninth through twelfth grades. The price for the tickets sold in advance is $5.00 and the price for the tickets sold at the door is $6.00. The ticket sales are shown in matrix S.

Which price matrix can be used with the sales matrix to find a matrix showing the amount of money students in each class paid to attend the dance?

A.

B.

C.

D.


Question #27

The ratio of the volume of a square pyramid with the dimension of the base y units on a side and 3y units high, compared to the volume of a square prism y units on a side and y/3 units high

A. is greater than one.

B. is equal to one.

C. is less than one.

D. cannot be determined.


Question #28 (Short-Answer Question)

A statement is made that two lines that intersect to form at least two congruent angles are perpendicular lines. Draw a sketch that shows that the above statement is not always true.


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