Linear Algebra For Dummies
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When graphing points on the coordinate axes, you can determine distances and slants of segments determined by the points. The coordinates of the points are: (x1, y1), and (x2, y2).

Midpoint:

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Distance:

image1.png

Slope:

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Mary Jane Sterling taught algebra, business calculus, geometry, and finite mathematics at Bradley University in Peoria, Illinois, for more than 30 years. She is the author of several For Dummies books, including Algebra Workbook For Dummies, Algebra II For Dummies, and Algebra II Workbook For Dummies.

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