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Find the line of symmetry of parabola whose equation is given by
y = x^2 - 2x-6.
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I assume that there is a TYPO in your post, and it reads as y = .
y = = .
The vertex is at x= 1.
The line of symmetry is vertical line through the vertex, so it is x = 1.
Solved.
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On finding the maximum/minimum of a quadratic function and vertex of a parabola see the lessons
- HOW TO complete the square to find the minimum/maximum of a quadratic function
- Briefly on finding the minimum/maximum of a quadratic function
- HOW TO complete the square to find the vertex of a parabola
- Briefly on finding the vertex of a parabola
Also, you have this free of charge online textbook in ALGEBRA-I in this site
- ALGEBRA-I - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this textbook under the topic "Finding minimum/maximum of quadratic functions".