You can use the Pythagorean Theorem to prove the Distance Formula. Let points P(x 1, y 1) and Q(x 2, y 2) be the endpoints of the hypotenuse of a right triangle. a. Write an algebraic expression to complete each of the following: PR = ? and QR = ? . Why would we consider pr the difference in the x-coordinates and why would PR =x2 - x1 and QR= y2-y1

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.5: The Distance And Midpoint Formulas
Problem 51E
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You can use the Pythagorean Theorem to prove the Distance Formula. Let points P(x 1, y 1) and Q(x 2, y 2) be the endpoints of the hypotenuse of a right triangle.

a. Write an algebraic expression to complete each of the following: PR = ? and QR = ? .

Why would we consider pr the difference in the x-coordinates and why would PR =x2 - x1 and QR= y2-y1

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