f(x) x + 14x + 46

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
Problem 1E: To put the quadratic function f(x)=ax2+bx+c in standard form, we complete the ________________.
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Question
Find the x-intercepts
-5
-10
-10
-15
-15H
Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.)
(x, f(x))
-7,-3
vertex
axis of symmetry
x=-7
x-intercept
(x, f(x)) = (-8.732,0
(smaller x-value)
x-intercept
(x, f(x)) =
-5.268,0
) (larger x-value)
%3D
Need Help?
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Transcribed Image Text:-5 -10 -10 -15 -15H Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.) (x, f(x)) -7,-3 vertex axis of symmetry x=-7 x-intercept (x, f(x)) = (-8.732,0 (smaller x-value) x-intercept (x, f(x)) = -5.268,0 ) (larger x-value) %3D Need Help? Read It
Write the quadratic function in standard form.
f(x) = x + 14x + 46
%3D
(x+7)²-3
f(x) -
%3D
|
Sketch its graph.
f(x)
15
10
Transcribed Image Text:Write the quadratic function in standard form. f(x) = x + 14x + 46 %3D (x+7)²-3 f(x) - %3D | Sketch its graph. f(x) 15 10
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