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Honors Chapter 5

Honors Chapter 5 Vocabulary

Direct Variation An equation of the form y = kx, where k=0.
Line of Fit A line that describes the trend of the data in a scatter plot.
Negative Correlation In a scatter plot, as x increases, y decreases
Parallel Lines Lines in the same plane that never intersect and have the same slope.
Perpendicular lines Lines which meet to form right angles and whose slopes that are an opposite reciprocal.
Point-slope Form An equation of the form y - y1 = m(x - x1), where m is the slope and (x1, y1) is a given point on a nonvertical line.
Positive Correlation In a scatter plot, as x increases, y increases, or as x decreases, y decrease.
Rate of Change The change in a quantity over time.
Scatter Plot A graph that shows the general relationship between two sets of data.
Slope The ratio of the change in the y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line. Rise over run or y over x.
Slope-intercept Form An equation of the form y = mx + b, where m is the slope and b is the y-intercept.
Created by: mrsott