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DanielAcedo

  • 3 years ago

How do I find a vertex or x value from y=(x-2)(x-6) ?

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  1. LogicalApple
    • 3 years ago
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    You could either rewrite it in vertex form, or you could take the halfway point between the two x-intercepts. In this case, x = 2 and x = 6 are both y-intercepts. A parabola is symmetric so halfway between these points is the line of symmetry. Determine what x-value this corresponds to and then find the associated y value. These two points will be your vertex.

  2. DanielAcedo
    • 3 years ago
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    Thank you!

  3. precal
    • 3 years ago
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    expand it out by mutiplying it and then you can use the vertex formula x=-b/2a to find the x coordinate of your vertex then sub that x value into your equation to find your y value

  4. DanielAcedo
    • 3 years ago
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    ^ thank you as well!

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