How can this quadratic function be written in standard form? Also, how can vertex, axis of symmetry, and x-int(s) be found? Write the quadratic function in standard form.f(x) = x² + 18x + 78f(x):= Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.)vertex(x, f(x)) =axis of symmetryx-intercept(x, f(x)) = ((smaller x-value)x-intercept(x, f(x)) =) (larger x-value)

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Write the quadratic function in standard form. f(x) = x² + 18x + 78 f(x) = =

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.4: Fundamental Theorem Of Algebra And Descartes' Rule Of Signs

Problem 34E: Write a quadratic function with the given repeated zero. 2i

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Question

How can this quadratic function be written in standard form? Also, how can vertex, axis of symmetry, and x-int(s) be found?

Write the quadratic function in standard form.
f(x) = x² + 18x + 78
f(x):
=

Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.)
vertex
(x, f(x)) =
axis of symmetry
x-intercept
(x, f(x)) = (
(smaller x-value)
x-intercept
(x, f(x)) =
) (larger x-value)

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