##### Assessment: Expressions #0    due: Monday 1/29; Tuesday 1/30

Do not lose this assessment. Do all your math on your own paper. Do not write on this assessment.

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Expression A:  5xy - 2yz + 4xyz - 7y
Expression B:  x + 4xy - 3
Expression C:  -5x + xyz - 2
Expression D:  2x^2 - x + 1
Expression E:  -x^5 + x^3 - x - 1

00. How many terms does expression A have?
01. How many terms does expression B have?
02. How many terms does expression C have?
03. How many terms does expression D have?
04. How many terms does expression E have?

05. What is the coefficient for term #1 in expression A?
06. What is the coefficient for term #1 in expression B?
07. What is the coefficient for term #1 in expression C?
08. What is the coefficient for term #2 in expression C?
09. What is the coefficient for term #3 in expression E?

10. What is the constant term in expression B?
11. What is the constant term in expression C?
12. What is the constant term in expression D?

13. How many factors does term #2 in expression B have?
14. How many factors does term #2 in expression C have?

15. No or Yes:  Expression A has like-terms.
16. No or Yes:  Expression C has like-terms.
17. No or Yes:  Expression E has like-terms.

Expression F:  5x^2 + 2x - 3 - 4x^2 + 5x + 7
Expression G:  10x^5 + 5x^2 - x + 3 + 2x + 4x^5

18. Simplify expression F.
19. Simplify expression G.
20. Write the sum of expression F and expression G.
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