test 1 on chapters 1,2 and 3. Math 078 Instructor:J. Decker 9/30/03

5 point for each of the 21 problems. (this includes 5 bonus points)

Evaluate:

1. $7013-6427$

2. $-8-(-6)+(-6)$

3.$63\div (-3)$ $+12-8(4-3^{2})$

4. MATH

5. MATH

6. MATH

7. a. $\frac{10+10}{4}$

b. $\frac{10-10}{4}$

c. $\frac{4}{10-10}$

8. Evaluate MATHfor $x=3,$ $y=-2,$ $z=-4$

9. Evaluate $10x^{4}$ for $x=-2$

10. a. Fill in with a >, < or = sign: $-5\_\_\_\_-12$

b. round 15,498 to the nearest thousand.

11. Consider the expression $-3x^{2}+2xy+y-11$

a. How many terms are in the expression?

b. What is the numerical coefficient of x$^{2}$ ?

c. What is the numerical coefficient of the y?

d. What is the constant term?

Simplify

12. 5x-7x$^{2}$y+(-8)+x+4xy$^{2}$-x+3

13. 7(3x+1)-4(x-2)

14. Find the perimeter of a rectangle with length equal to 5x-3 and width equal to 2x+1.

Solve

15. $3x+4=19$

16. $4x-42=10x$

17. $3(x+1)-1=2(5x-6)$

18. Determine whether 5 is a solution to the equation MATH Be sure to show your work.

19. Three times a number added to 5 is 17. Find the number.

20. In a championship basketball game, Paula Zimmerman made twice as many free throws as Maria Kaminsky. If the total number of free throws made by both women was 12, find how many free throws Maria made

21. A new text book plus solutions manual costs $100. The textbook costs $60 more than the manual. Find the price of the manual alone.

This document created by Scientific Notebook 4.1.