Answer
$(0.387,-0.07)$
Work Step by Step
$y=-6.2x^2+4.8x-1$
Using a graphing calculator with the maximum feature, the vertex is at approximately:
$$(0.387,-0.07)$$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 8 - Graphing Quadratic Functions - 8.3 - Graphing f(x) = ax^2 + bx + c - Exercises - Page 437: 34
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