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 avariableis. 6) No or Yes: If x and y are variables, then xy = yx. 7) No or Yes: If x and y are variables, then x/y = y/x. 8) Evaluate: 91 / 0 9) Evaluate: 2^{4}The remaining exercises use expression A: 5x + 2y - 3z a) Expression A contains how many terms? b) The coefficient of the first term of expression A is what? c) The coefficient of the third term of expression A is what? d) Expression A evaluates to _____ when x = -1, y = 4, z = -2. e) No or Yes: Expression A contains "like" terms? f) No or Yes: 5x + 2y - 3z = 4xyz g) The first term of expression A has how many factors? h) No or Yes: It's possible to solve expression A for y. i) No or Yes: Expression A can be written as: 5x + 2y + -3z j) No or Yes: Expression A can be written as: -3z + 2y + 5x