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7 Math Ch. 4
Algebra: Linear Equations and Functions
Term | Definition |
---|---|
domain | the set of input values for a function |
function | a relation in which each element of the input is paired with exactly one element of the output according to a specified rule |
function table | a table used to organize the input numbers, output numbers, and the function rule |
inequality | a mathematic sentence that contains the symbols greater than, less than, less than or equal to, or greater than or equal to |
inverse operations | operations that "undo" each other |
linear equation | an equation for which the graph is a straight line |
range | the set of output values for a function |
slope | a number that tells how steep a line is / found by looking at the change in y over the change in x |
two-step equation | an equation having two different operations |
work backward strategy | begin by taking the last value in the problem and perform opposite operations with each subsequent value until you arrive at the initial value |