1. a branch of mathematics that uses numbers and symbols to express relationship between known and unknown quantities.
a. Algebra
b. Geometry
c. Calculus
d. Statistics

2. Any symbol usually letters, which represent value of a number.
a. constant
b. exponent
c. term
d. variable

3. A small number written on the upper right corner of a base that indicates how many times the base multiplied by itself.
a. constant
b. exponent
c. term
d. variable

4. A kind of polynomial having three terms.
a. monomonial
b. binomial
c. trinomial
d. multinomial

5. in the expression 25xy3, what is the literal coefficient?
a. 25
b. xy
c. xy3
d. 3