WCCCD MAT12 ELEMENTARY ALGEBRA
Problem Review of Objectives
1. Place and > or < between –50 and –60 to make a true relation. 2. Translate “The purchase of two Tiger tickets plus parking fee of five dollars.” into a variable expression. 3. Evaluate x 2 − xy when x = –5 and y = 2. 4. If 2x – 1 = 7, then what does 4x – 1 equal?
5. Completely solve the following x − 1 = 5 ? 6. Solve a − 3a = 6 − 12
7. Solve
3 m = 60 4
8. Solve 1− 3P = 2 9. Solve x − 3(2x − 1) = 4 − x 10. A manufacturing engineer determines that the cost per unit for an engine is $150 and the fixed cost is $60,000. The price for each engine is $350. Find the number of engines that must be sold to break even using the business formula P⋅n = C ⋅n + F . 11. If you receive an 80% score on a test with 150 question of equal value, how many answers did you get correct? 12. The 8% Florida sales tax on an item you purchased is $4.00. How much did the item cost before tax?
13. The WCCCD catalog has 400 different courses. Sixty of these courses are offered on-line. What percentage of the courses are available on-line? 14. Determine the size of the larger angle in this figure.
15. Which of the following is the best model of the two acute angles in a right triangle?
16. The circumference of a circle is 100 inches. Find the length of a radius of the circle. Round to the nearest tenth. Use 3.14 = π
WCCCD MAT112
Problem Review of Objectives
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