##### 0-Point Assessment: Terminology #0    due: Wednesday 1/24; Thursday 1/25

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

```0) Expressions are _______.  [word that starts with e]

1) Equations are _______.    [word that starts with s]

2) Terms are separated by the ____ and ____ arithmetic operators.

3) When we have a constant times a variable, the constant is
called a _______________.  [word that starts with c]

4) Letters that are used in expressions (and equations) are
called ________________.  [word that starts with v]

5) Briefly explain what a variable is.

The remaining exercises use expression A:  5x + 2y - 3z

6) Expression A contains how many terms?

7) The coefficient of the first term of expression A is what?

8) The coefficient of the third term of expression A is what?

9) Expression A evaluates to  _____  when x = -1, y = 4, z = -2.

a) No or Yes:  Expression A contains "like" terms?

b) No or Yes:  5x + 2y - 3z = 4xyz

c) The first term of expression A has how many factors?

d) No or Yes:  It's possible to solve expression A for y.

e) No or Yes:  Expression A can be written as:  5x + 2y + -3z

f) No or Yes:  Expression A can be written as:  -3z + 2y + 5x
```