2nd Edition

ISBN: 9781259985607

Author: David Sobecki Professor, Brian A. Mercer

Publisher: McGraw-Hill Education

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Textbook Question

Chapter 4.2, Problem 3CA

The process used to find the distance from the access panel to the mouse in Group Questions 9-10 can be mimicked to develop a generic formula for finding the distance between any two points on a graph. Let’s start with two arbitrary points, labeled ( x 1 , y 1 ) and ( x 2 , y 2 ) . Since we’re not labeling specific number coordinates, but using symbols, these points can represent ANY pair of points.

Use the Pythagorean theorem to set up an equation containing the distance d that we’re looking for. (Hint: Putting parentheses around the expression you wrote for the lengths in Question 2 is a good idea.)

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Chapter 4.2, Problem 2CA

Chapter 4.2, Problem 4CA

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Solution Summary: The author evaluates the equation for distance d using Pythagorean Theorem when two dotted lines meet.

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