Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 8 - Section 8.2 - Graphing Linear Equations - Exercises - Page 304: 39

Answer

s is dependent; t is independent

Work Step by Step

Given that $s=3t^2+5t-1$, s is the dependent variable and t is the independent variable. With this type of equation you are being asked to solve for s based on varying values of t. Because the value substituted for t can be changed arbitrarily, t is called the independent variable. Because the value that is computed for s changes based on the value of t, s is called the dependent variable.
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