Algebra 1

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

Chapter 4 - An Introduction to Functions - Get Ready - Page 231: 6


Let laps swam represent y and let the number of minutes spent swimming represent x Equation: y=1.5x Table: X | Y (0 , 0) (1 , 1.5) (2 , 3) (3 , 4.5) (4 , 6)

Work Step by Step

We can model the relationship through the equation y=1.5x because since Sue swims 1.5 laps per minute, the slope becomes 1.5 and since Sue has to start a 0 laps at 0 minutes, the y-intercept become (0,0), thus forming the equation. The table can be formed by plugging in any value for x and then solving for y. For example: (Plugging in 4 for x) y=1.5x y=1.5(4) y=6 This forms the ordered pair (4,6).
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