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# Unit 5 Vocabulary

TermDefinition
Linear A relationship for which the graph is a straight line
Rate A ratio that compares two quantities with different units
Direct Variation another term for proportional; when two variables have the same x/y ratio
Constant of proportionality Another term for unit rate
Proportion An equation stating that two ratios or rates are equal
Unit rate A rate where the denominator is equal to 1 unit.
Ordered Pair A pair of numbers used to locate a point on the coordinate plane
Origin The point (0,0)
Complex fraction A fraction that has a fraction in the numerator, denominator or both
Quadrant One of the four regions of the coordinate plane
Proportional Another term for direct variation; when two variables have the same y/x ratio
Coordinate Plane The grid where ordered pairs are graphed
X-coordinate The first number in an ordered pair
y-coordinate The second number in an ordered pair
Created by: 24vaughn