Identify the quadratic function from the graph -2 -4 -3 -2 -1 2 4 a) f(x) = x² – 4x + 5 b) f(x) = x² – 2x + 3 c) f(x) = x² + 4x + 5 d) f(x) = x² + 2x + 3 Select one: O (d) (b) (c) (a)
Identify the quadratic function from the graph -2 -4 -3 -2 -1 2 4 a) f(x) = x² – 4x + 5 b) f(x) = x² – 2x + 3 c) f(x) = x² + 4x + 5 d) f(x) = x² + 2x + 3 Select one: O (d) (b) (c) (a)
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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Step 1
Consider the quadratic equation given in part (a),
from the graph, it can be observed that the y-intercept of the graph is .
so, check that the point will satisfy the equation or not,
since the point does not satisfy the equation so, the given function does not represent the graph.
Consider the quadratic equation given in part (b),
from the graph, it can be observed that the y-intercept of the graph is .
so, check that the point will satisfy the equation or not,
also, from the graph the vertex of the function is
so, check that the point will satisfy the equation or not,
Since, the point does not satisfy the equation so, the given function does not represent the graph.
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