Algebra 1

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

Chapter 4 - An Introduction to Functions - 4-4 Graphing a Function Rule - Practice and Problem-Solving Exercises: 34

Answer

The point (2, 2$\frac{1}{2}$) is not on the graph of y=x + 2

Work Step by Step

The question gives us a point (2, 2$\frac{1}{2}$) and the equation y=x + 2. So given the point we know that our x value is 2 and y value is 2$\frac{1}{2}$. To check if the point is on the graph we plug in the x value of 2 into the equation y=x + 2 to see if it equals 2$\frac{1}{2}$. y = x + 2 (2$\frac{1}{2}$) = (2) + 2 2$\frac{1}{2}$ $\ne$ 4 Therefore the point (2, 2$\frac{1}{2}$) is not on the graph of y=x + 2
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