Question

Match the following.

1. a letter or symbol used to represent an unknown number. ___ formula

2. one term or multiple terms connected by an addition or subtraction sign. ___ expression

3. a number or a variable, or the product of a number and variable(s). ___ constant

4. an equation that uses variables to state a rule. ___ variable

5 a number; a term containing no variables. ____ term​

Answer 1

1. A variable is a letter or symbol used as a placeholder for an unknown value.
2. Multinomial: An algebraic expression of two terms or more than three terms is called a multinomial.
3. A monomial is a number, a variable, or a product of numbers and variables with whole number exponents. The degree of a monomial is the sum of the exponents of the variables. A constant has degree 0.
4. expression
5. constant