1. Lesson 1-1: Variables and Expressions
Term: pieces of an expression that are separated by plus or minus signs, except when those signs are within grouping symbols like parentheses, brackets, or absolute value bars.
Constant: a term that has no variable, because it never changes.
Factors: the numbers and/or variables multiplied together.
Coefficient: a factor (usually numeric) that is being multiplied to a variable. 1.
1b.
1c. You do problems 1, 2, 3 on WS.

2. 2.
2b.
2c. You do problems 5, 7, 9 on WS. 3.
3b.
3c. You do problems 11, 12 on WS.

3. 4.
4b.
4c. You do problems 13, 14, 16 on WS.

4. 5.
5b.
5c. You do problems 19, 20, 27 on WS.