Algebra 1

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

Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Practice and Problem-Solving Exercises - Page 244: 11


The relation is a linear function. For every increase in the x-value, the y-value increases by 92 units. Equation: y=92x+1127

Work Step by Step

The relationship is a linear function because the graph increases by 92 units every time for every x-value Equation: Slope: $\frac{(y_{2}-y_{1})}{(x_{2}-x_{1})}$ $\frac{(1219-1127)}{(1-0)}$ $\frac{92}{1}$ slope=92 y-int: y=92x+b (substitute any x & y value from the table) 1311=92(2)+b 1311=184+b -184 -184 1127=b Equation: y=92x+1127
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