a sequencce in which the difference between any 2 consecutive terms is the same
number in front of a variable
each sequence has a constant difference
a term that does not contain a variable
Expressions that have the same value.
Expressions that contain the same variables to the same power
A fraction that has only 1 has a common fractor of the numerator and denominator.
simplifying the expression
replacing a numerical expression by the simplest name for its value
a number, a variable, or the product of a number and a variable
An Equation that contains two operations