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8 terms

Chap. 5 vocab

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slope-intercept form
an equation written in the form y=mx+b is in slope-intercept form. The graph is a line with slope m and y-intercept b
best-fitting line
A line that best fits the data points on a scatter plot
positive correlation
in a scatter plot, as x-values increase, y-values increase
negative correlation
in a scatter plot, as x-values decrease, y-values decrease
point-slope form
The equation of a non-vertical line y-y1=m(x-x1)
standard form
A linear equation of the form Ax+By=C where A,B,C are real numbers and A and B are not both zero
linear interpolation
The method of estimating the coordinates of a point that lies between two given data points
linear extrapolation
The method of estimating the coordinates of a point that lies to the right or left of all of the given data points