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Found in: Page 410


Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

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Short Answer

Graph the equation. Tell whether the equation is a function.


The equation y=-5x+2 is a function.

See the step by step solution

Step by Step Solution

Step 1. Given information.

The given equation is y=-5x+2.

Step 2. Calculation.

We can see that our given equation is in slope-intercept form y=mx+b, where m represents slope of line and b represents the ­y-intercept.

Upon looking at our given equation, we can see that the slope of our given line is -5 and the ­y-intercept is at point 0,2.

Upon graphing y=-5x+2, we will get our required graph as shown below:

We can see that no vertical line will intersect the graph of equation y=-5x+2 more than one place that is each x value corresponds to a specific y-value.

Therefore, the equation y=-5x+2 is a function.

Step 3. Conclusion.

The given equation is a function.

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