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### 10 Cards in this Set

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• Back
 Two lines are________ if thier slopes are negatice reciprocals Perpendicular Two lines in the same plane that never intersect are______ and have the____slope. Parallel/Same The ratio of the vertical change to the horizontal change is called the___ Slope The y-coordinated of the point at which the graph of a line crosses the verical axis is called the_______ y intercept The form of a line called point-slope form is_______and is used when you are given either___ _____on a line or the___slope and one____on the line. y-y=mx(x-x)/2 points/slope/point The form of a line called slope-intercept form is____ and is used when you are given the____and the____ y=mx+b/slope/y-intercept An equation in the form x=c is a_____ line. vertical An equation in the form y=c horizontal The form of a line called Standard for is________and must not have any_____and A must be_____. Ax+By=C/fractions/positive If I have data given for every year from 1980-2000, interpolation would be estimating for the year___and extrapolating would be estimating for the year____ between 1981-1999/right to left