Math 100 Test 2 3 Pts Each June 30, 1999

Solve for X.

1. 2x - 3 = 4

2. 3 -x = 4

3. 5x -13 = 2x - 4

4. 4 - 3(x+2) = 2(x+1)

5.

6.

7.

8.

9. Solve for x , give solution in algebraic form -2x + 616

10. Solve for x, give solution in graphic form

11. Solve for x, give solution in interval notation.

-2

Solve for the indicated variable.

12. A = πr² for r^2.

13. z = .

14.

15.

16.

17. Find the Area of :

a. b.

18. Draw right angle cylinder with radius 3m and height 5m. Then find it's volume.

19. A bus driver wants to earn $3500 per year in supplemental income from an inheritance of $40,000. If the driver invests $10,000 in a mutual fund paying 8%, what rate must he earn on the remainder to achieve his goal?

20 . Two marathon runners leave the starting gate, one running 12 miles per hour and one running 10 miles per hour. If they maintain the pace, how long will it take for them to be one-quarter of a mile apart.