- #1

daodude1987

I am not really familiar with this equation but my trigonometry teacher says it is something from Algebra 2. How can I prove why or how this equation works for finding the x-coordinate?

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- Thread starter daodude1987
- Start date

- #1

daodude1987

I am not really familiar with this equation but my trigonometry teacher says it is something from Algebra 2. How can I prove why or how this equation works for finding the x-coordinate?

- #2

HallsofIvy

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Could you please state the entire problem exactly?

- #3

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The vertical line x=-b/2a that goes thru this point is the axis of symmetry.

- #4

HallsofIvy

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- #6

HallsofIvy

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Yes, that was what StephenPrivitera told you!

- #7

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o sorry i only saw the oroginal question

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