11. It is a mathematical phrase that uses variables, numerals and operation symbols.
A. term
B. numerical expression
C. algebraic expression
D. sequence

12. What is the expression of this mathematical phrase, 3 times the quantity of m minus 7? *

A. 3 (m - 7)
B. 3 x m - 7
C. 3 - m
D. 3 x m7

13. It is any letter or symbol that represents a number
A. numerical expression
B. variable
C. constant
D. algebraic expression

14. What is the variable in the algebraic expression, 2f + 5?
A. 2
B. 5
C. f
D. none

15. Is 3m - 8x + 5 an equation? *
A. yes
B. no
C. maybe
D. cannot be determined
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