232k views
4 votes
The graph of the equation y=x²-2x-8 is a parabola. What is the equation of the axis of symmetry?

User Endumiuz
by
7.9k points

1 Answer

6 votes

Answer:

x=1

Explanation:

y=x²-2x-8

First, we solve for the vertex

The equation for the vertex is -b/2a

Substitution:

-b/2a

=-(-2)/(2*1)

=2/2

=1

Therefore the equation for the line of symmetry is x=1

Hope this helps!

User Ianrathbone
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories