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tylertriebs

  • 3 years ago

Which of the following equations is of a parabola with a vertex at (0, -5)? y = (x - 5)2 y = (x + 5)2 y = x2 - 5 y = x2 + 5

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  1. tylertriebs
    • 3 years ago
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    ok

  2. A.Avinash_Goutham
    • 3 years ago
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    c?

  3. tylertriebs
    • 3 years ago
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    wouldnt that make it the first one then

  4. shahzadjalbani
    • 3 years ago
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    sorry my equation was y=a(x-h)^2+k

  5. shahzadjalbani
    • 3 years ago
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    @tylertriebs You can use -b/2a to find the x coordinate of the vertex.

  6. tylertriebs
    • 3 years ago
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    ok

  7. shahzadjalbani
    • 3 years ago
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    @tylertriebs Now solve by formula and tell me what is the result.

  8. shahzadjalbani
    • 3 years ago
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    take each equation separately . @tylertriebs

  9. tylertriebs
    • 3 years ago
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    ok just sec

  10. tylertriebs
    • 3 years ago
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    ok im lost

  11. shahzadjalbani
    • 3 years ago
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    why ?

  12. tylertriebs
    • 3 years ago
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    i dont get how to include the equation

  13. shahzadjalbani
    • 3 years ago
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    take it easy I am going to solve one equation for you.

  14. shahzadjalbani
    • 3 years ago
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    |dw:1338548813555:dw| Put these values in formula -b/2a to get x coordiante .

  15. shahzadjalbani
    • 3 years ago
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    @tylertriebs solve and it and tell me what is the value of x

  16. tylertriebs
    • 3 years ago
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    -5?

  17. shahzadjalbani
    • 3 years ago
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    it means it is not your answer because vertex is (0,-5) take another equation in the same way and solve when value of x comes 0 then you will get your answer.

  18. tylertriebs
    • 3 years ago
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    ok

  19. shahzadjalbani
    • 3 years ago
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    Now take the third equation which x^2-5....|dw:1338549273486:dw| Put these values in formula -b/2a

  20. shahzadjalbani
    • 3 years ago
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    @tylertriebs Solve it hurry up ! And give me result.

  21. tylertriebs
    • 3 years ago
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    wouldnt that still be -5

  22. shahzadjalbani
    • 3 years ago
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    no |dw:1338549527046:dw|

  23. tylertriebs
    • 3 years ago
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    ok

  24. shahzadjalbani
    • 3 years ago
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    @tylertriebs Now put the value of x in x^2-5 You will get your ordered pair of (0,-5) Am I right.

  25. tylertriebs
    • 3 years ago
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    yes

  26. shahzadjalbani
    • 3 years ago
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    It means @tylertriebs which equation is your answer?

  27. tylertriebs
    • 3 years ago
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    the second to last

  28. shahzadjalbani
    • 3 years ago
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    Yes Hurrah! You Got it!

  29. shahzadjalbani
    • 3 years ago
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    @tylertriebs

  30. tylertriebs
    • 3 years ago
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    thank you

  31. A.Avinash_Goutham
    • 3 years ago
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    congrats :) :P

  32. shahzadjalbani
    • 3 years ago
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    It is certified that @tylertriebs is able to solve the questions of quadratic equation related to vertex and finding the value x from an equation. Signature :|dw:1338550021578:dw|

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