Answer
Quadratic
$y=2.8x^2$
Work Step by Step
$2.8-0=2.8$
$11.2-2.8=8.4$
$25.2-11.2=14$
$44.8-25.2=19.6$
$8.4-2.8=5.6$
$14-8.4=5.6$
$19.6-14=5.6$
$y=ax^2$
$2.8=a(1)^2$
$2.8=1*a$
$2.8 = a$
$y=2.8x^2$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-7 Linear, Quadratic, and Exponential Models - Practice and Problem-Solving Exercises - Page 578: 15
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