Algebra Vocabulary, basic equations, and Slope Intercept

This is the top number in a fraction.

• Numerator
• Denominator
• Fraction
• Dividend

This is the bottom number in a fraction.

• Numerator
• Denominator
• Fraction
• Decimal

The line between the numerator and denominator.

• Numerator
• Denominator
• Fraction
• Bar Line

These are the unknown letters or symbols in an expression or an equation.  Their value can vary, change, from problem to problem.

• Constants
• Coefficients
• Variables
• Exponents

These are the numbers, integers and fractions, that are in expressions and equations.  Their value is constant, does not change.

• Variables
• Constants
• Coefficients
• Exponents

The constant paired with a variable usually in front.  They are multiplied by the variable.

• Coefficient
• Exponent
• Variable
• Constant

The variables, constants, and combinations of the two  which make up expressions and equations.

• Terms
• Variables
• Constants
• Equations

A number sentence with terms on both sides of an equal sign.  You can solve an equation.

• Expression

• Equator

• Equation

• Equinox

A number phrase with NO equal sign.  Expressions can be simplified but not solved.

• Equation
• Inequality
• Expression
• Function

This refers to the steepness and direction of a line on a graph.  It is sometimes referred to as rate of change.  Think:

Rise Change in Y y₂ - y₁

Run Change in X x₂ - x₁

• Slope
• Intercept
• Coefficient
• Variable