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# Vocab check 5 PACE

### Vocabulary Review for Check 5 PACE

inverse operation are opposite mathematical computations, such as addition and subtraction
nth term refers to the position of any number in a sequence
variable a symbol, usually a letter,used to represent a number
commission money earned for the sale of an item, usually a percentage of the sale price
discount the amount of money saved on a purchase, which is subtracted from the original price
proportion an equation that shows that two ratios are equivalent
rate a ratio that compares two numbers with different kinds of units (for example, mph)
unit rate a rate with a denominator of one
complementary angles two angles with a sum that equals 90 degrees
congruent two figures that have lengths and angle measurements of the same size
isosceles triangle triangles that have at least two congruent sides
parallelogram a figure that is a quadrilateral with both pairs of opposite sides parallel and opposite sides congruent
Created by: laura.bearden