Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Lesson Check - Page 295: 6


Finding a line's slope by counting units of horizontal and vertical change is the same as using the slope formula.

Work Step by Step

The definition of slope is rise divided by run. (This means that the vertical change is divided by the horizontal change.) Counting the difference in the Y coordinates and dividing that by counting the difference in the X coordinates is the same as using the formula.
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