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2 Test Questions
5. Solve the following algebraic equation:
A. x = 6.5
B. x = 7.5
C. x = 13
D. x = 26
2x + 2 = 15
6. Solve the following algebraic equation:
A. x = 6.67
B. x = 10
C. x = 30
D. x = 57.6
25x + 2x −4 = 20
7. Solve the following algebraic inequality:
A. x ≥ 11/3
B. x < 9
C. x ≥ 9
D. x < 84
3x −8 ≥ 19
8. What is the area of a circular ring with an inner radius (r 1 ) equal to 5.11 cm and an
outer radius (r 2 ) equal to 8.43 cm?
r 2
r1
r
A. 10.43 cm 2
B. 34.63 cm 2
C. 141.22 cm 2
D. 223.26 cm 2
9. What is the volume of a plastic cylinder with a radius (r) equal to 23.5 inches and a
height (h) equal to 55.25 inches?
h