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# MSA Math Vocab

### Middle school math vocabulary

Inverse operation The operation that will "undo" what is being done.
Linear Any set of data that can be modeled with a straight line.
Point of intersection The point on a graph where two lines cross. This is where both lines are equal.
Rate A ratio that compares two different units, where one of the two units is equal to one.
Slope A ratio that compares the change in the vertical axis to the change in the horizontal axis. (Rise over the run)
Steepness How vertical a line is on a linear graph.
Substitution Replacing a variable with a number in an equation.
Term A number, a variable, a number multipled by a variable, or a number divided by a variable in an expression or equation.
Y-intercept The point on a graph where the line crosses the y-axis.
Algorithm An explicit step by step procedure for producing a solution to a given problem.
Coefficient A number that is multiplied by a variable in an equation.
Constant A number that is added or subtracted in an equation.
Distributive property Multiplying a number or variable with the other numbers or variables inside parentheses.
Expression Term or combo of terms without an =, <, > sign.
Function Two variable that share a relationship where every value of "x" will create a unique value of "y".
Golden rule of equations A rule that states that whatever you do to one side of any the equation, you must do the same thing to the other side of the equation.
Inequality Lack of being equal. Two quantities can be less than, greater than, less than or equal, greater than or equal.
Created by: gabrianam