Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-7 Linear Quadratic, and Exponential Models - Practice and Problem-Solving Exercises - Page 592: 12


Quadratic equation

Work Step by Step

The table is not linear because the Y-value does not increase constantly. Using ratios, determine if it's quadratic: $1.5-0=1.5$ $6-1.5=4.5$ $13.5-6=7.5$ $24-13.5=10.5$ $10.5-7.5=3$ $7.5-4.5=3$ $4.5-1.5=3$ The constant ratio is $3$ so this is quadratic.
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