Sketch the graph of the quadratic function. HINT [See Example 1.] f(x)x2+2x -1 F

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Sketch the graph of the quadratic function. HINT [See Example 1.] f(x)x2+2x -1 Flash Player version 10 or higher is required for this question You can get Flash Player free from Adobe's website Indicate the coordinates of the vertex, the y-intercept and the x-intercepts (if any). (If an answer does not exist, enter DNE. If there are multiple x- intercepts, enter your answers as a comma-separated list.) vertex y-intercept x-intercept(s) 2. /1.25 points WaneACS 2.1.006 My Notes Sketch the graph of the quadratic function. HINT [See Example 1.] nx) = x2-2x-80 Flash Player version 10 or higher is required for this question You can get Flash Player free from Adobe's website Indicate the coordinates of the vertex, the y-intercept and the x-intercepts (if any). (If an answer does not exist, enter DNE. If there are multiple x- intercepts, enter your answers as a comma-separated list.) vertex x, y) y-intercept x-intercept(s) Talk to a Tutor

Explanation / Answer

f(x)=-x2+2x-1

x intercept, f(x)=0

-x2+2x-1=0

(x-1)2=0

x=1

x intercept (1,0)

y intercept, x=0

f(x)=0+0-1=-1

y intercept (0,-1)

vertex

x=-b/2a =-2/(2*-1)=1

f(1)=-1+2-1=0

vertex (1,0)

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