Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.5 - Equations of Lines - Exercise Set - Page 175: 96

Answer

Both points are solutions.

Work Step by Step

I feel that the best way to do this is to plug in the given values. Plug in the first coordinate for x and the second coordinate for y. Now, we use PEMDAS, a method for simplification. This acronym reminds us that we must first address parentheses, and then exponents. Next, we address multiplication and division, going from left to right. Lastly, we simplify addition and subtraction from left to right. Then, see if the statement is true. (In other words, check if both sides of the equation are equal.) If they are, then the given point is a solution, but if they are not, then the given point is not a solution. Doing this, we see that both points satisfy the equation.
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