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what is the axis of symmetry y = x2 − 2x − 8

what is the axis of symmetry y = x2 − 2x − 8

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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what is the axis of symmetry

y = x2 − 2x − 8

 

Expert Solution
Step 1

The axis of symmetry is x,0.

Where x=-b2a.

The given equation is y=x2-2x-8.

Comparing the equation with y=ax2+bx+c. Then, the value are a=1,b=-2,c=-8.

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