Course: Algebra - 640:026 Instructor: Richard Porter

Sample Second Hourly Exam

1. A salesman finds if the price of tickets is x dollars, he can sell 5000 - 20x per concert. Express the revenue R as a function of x. Use this to calculate the revenue when the price is 50 dollars.

Revenue_____________________

At 50 dollars__________________

2. Find the product of the polynomials: (x² - 4x + 3) (x - 2)

Answer_____________________

3. Evaluate the expression: (2y - 3x²) ²

Answer_____________________

4. Factor completely: 49xyz - 63x²y + 70xy²

Answer_____________________

5. Use the AC method to factor completely: 6 x² - 7 x - 20

Answer_____________________

6. Solve the equation: 0 = x² - 5x + 6

Answer_____________________

7. Use long division to find 3x² + 5x - 7 divided by x - 4

Answer_____________________

8. Perform and simplify:

Answer_____________________

9. Perform and simplify:

Answer_____________________

10. Perform the operation and simplify:

Answer_____________________

11. Solve for x:

Answer_____________________

12. Solve for x:

Answer_____________________

13. If Jane can finish a report in 3 hours, and Mike can finish the job in 5 hours. How long will it take them to finish a report if they work together?

Answer_____________________

14. (r⁷s³)⁴(s²r⁶) ⁵

Answer_____________________

15.

Answer_____________________

16.

Answer_____________________

17. 2- 5

Answer_____________________

Rationalize the denominators:

18.

Answer_____________________

19.

Answer_____________________

Solve for x:

20. 3- 7 = 5

Answer_____________________