ACT Mathematics Practice Questions

1. A weight estimator at a fair guess that a women weighs 167 lbs. She actually weighs 179. The percent of error in this estimate is?

A. 5 1/4 %
B. 6 7/­10%
C. 11 12/17%
D. 10%

2. If the outer diameter of a plastic pipe is 4.25 cm, and the inner diameter of a plastic pipe is 3.13 cm, the thickness of the plastic in centimeters is

A. .56
B.1.12
C. 2.24
D. 2.98


3. (x+3)(x+5)=

A. x2 + 15
B. x = 8
C. x + 8
D. x2 + 8x + 15

4. The points (2,2) and (3,y) are √26 apart. What does y equal?

A. 2
B. 3
C. 5
D. 7
Answer Key Mathematics Problems

1. B
2. A
3. D
4. D

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