8th Grade Vocabulary Words (Week 2)

Front

Rate of Change

Back

in a linear relationship between x and y, it tells how much y changes when x changes by 1

Front

Slope

Back

for any two points on a line, the rise/run or change in y/change in x

It is a measure of the steepness of a line.

Front

Solution of an Equation

Back

a value that can be substituted for a variable to make an equation true

Front

Linear Equation

Back

an equation whose graph is a straight line

Front

Infinitely Many

Back

no end to the number of

When an equation has infinitely many solutions, any number is a solution.

Front

Solution of an Equation

Back

a value that can be substituted for a variable to make an equation true

Front

Expression

Back

a group of numbers, variables, and/or operation symbols that represents a mathematical relationship

Front

Algebraic Expression

Back

an expression with variables, such as 2a+5 or 6b

It can have exponents.

Front

Numerical Expression

Back

an expression without variables, such as 3+4

Front

Like Terms

Back

two or more terms that have the same variable factors