what is the axis of symmetryy = x2 − 2x − 8

The axis of symmetry is x,0. Where x=-b2a. The given equation is y=x2-2x-8. Comparing the equation…

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A First Course in Probability (10th Edition)

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ISBN:9780134753119

Author:Sheldon Ross

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Chapter1: Combinatorial Analysis

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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 $x = - \frac{b}{2 a}$ .

The given equation is $y = x^{2} - 2 x - 8$ .

Comparing the equation with $y = a x^{2} + b x + c$ . Then, the value are $a = 1, b = - 2, c = - 8$ .

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