1
Q
what is a symbol
A
a thing that stands for something else e.g. + symbol for add
2
Q
what is variable
A
a letter of the alphabet that we use to represent an unknown value
3
Q
what is a constant
A
a number in an expression or equation that is independent of any variable and doesn’t change
4
Q
what is coefficient
A
a number in front of a variable together with its negtive or postive sign
5
Q
what is a monomical
A
an expression containing only one term
6
Q
what is binomial
A
an expression containing only two term
7
Q
what is trinomial
A
an expression containing only three term
8
Q
what are like terms
A
term that have identical variables
9
Q
what are unlike terms
A
term that have different variables
