Write the quadratic function in standard form. f(x) = x2 – 8x

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
Section: Chapter Questions
Problem 1T: Express the quadratic function f(x)=x2x6 in standard form, and sketch its graph.
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Question
Write the quadratic function in standard form.
f(x) = x2 - 8x
f(x) =
Sketch its graph.
f(x)
f(x)
3아
30
20
20
10
10
- 30
- 20
- 10
10
20
30
- 30
- 20
- 10
10
20
30
- 10
- 10
- 20
- 20
-30
- 30-
Transcribed Image Text:Write the quadratic function in standard form. f(x) = x2 - 8x f(x) = Sketch its graph. f(x) f(x) 3아 30 20 20 10 10 - 30 - 20 - 10 10 20 30 - 30 - 20 - 10 10 20 30 - 10 - 10 - 20 - 20 -30 - 30-
f(x)
f(x)
30-
30-
20
20
10
10
X
- 30
- 20
- 10
10
20
30
-30
- 20
-10
10
20
30
-10
-10
- 20
- 20
- 30-
- 30
Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.)
vertex
(х, f(x)) %3D
axis of symmetry
x-intercept
(x, f(x)) =
(smaller x-value)
x-intercept
(х, f(x)) %3
(larger x-value)
Transcribed Image Text:f(x) f(x) 30- 30- 20 20 10 10 X - 30 - 20 - 10 10 20 30 -30 - 20 -10 10 20 30 -10 -10 - 20 - 20 - 30- - 30 Identify the vertex, axis of symmetry, and x-intercept(s). (If an answer does not exist, enter DNE.) vertex (х, f(x)) %3D axis of symmetry x-intercept (x, f(x)) = (smaller x-value) x-intercept (х, f(x)) %3 (larger x-value)
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