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iwanttogotostanford

  • one year ago

Determine

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  1. iwanttogotostanford
    • one year ago
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    @Vocaloid

  2. iwanttogotostanford
    • one year ago
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    |dw:1443540278601:dw|

  3. iwanttogotostanford
    • one year ago
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    thats a parabola sorry it was hard to draw

  4. iwanttogotostanford
    • one year ago
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    @Nnesha @pooja195

  5. iwanttogotostanford
    • one year ago
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    PLEASE HELPPPP @Nnesha

  6. Nnesha
    • one year ago
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    \[\huge\rm y=a(x-h)^2+k\] vertex form where (h,k) is the vertex point so substitute (h,k) for (-2,-4)

  7. iwanttogotostanford
    • one year ago
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    I did that and i got y=a(x+2)^2-4 @Nnesha

  8. Nnesha
    • one year ago
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    right the leading coefficient makes the graph wider or skinnier or turn up and down (depends on the sign ) if a is negative then it opens down

  9. iwanttogotostanford
    • one year ago
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    but i am confused on which one my answer will be

  10. iwanttogotostanford
    • one year ago
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    @Nnesha

  11. Nnesha
    • one year ago
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    why ?? you already got the equation

  12. iwanttogotostanford
    • one year ago
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    I'm thinking A?

  13. Nnesha
    • one year ago
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    leading coefficient is a

  14. Nnesha
    • one year ago
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    why A ?

  15. iwanttogotostanford
    • one year ago
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    because where does the "a" i the equation go? and then how do i tell if it is negative or not

  16. iwanttogotostanford
    • one year ago
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    because i got y=a(x+2)^2-4 and the closest one to that is A

  17. Nnesha
    • one year ago
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    \[\huge\rm y=a(x-h)^2+k\] vertex form a outside the parentheses

  18. Nnesha
    • one year ago
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    \(\color{blue}{\text{Originally Posted by}}\) @Nnesha right the leading coefficient makes the graph wider or skinnier or turn up and down (depends on the sign ) if a is negative then it opens down \(\color{blue}{\text{End of Quote}}\) read this

  19. iwanttogotostanford
    • one year ago
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    but its going up?

  20. iwanttogotostanford
    • one year ago
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    but it opens down...

  21. Nnesha
    • one year ago
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    \(\color{blue}{\text{Originally Posted by}}\) @iwanttogotostanford because i got y=a(x+2)^2-4 and the closest one to that is A \(\color{blue}{\text{End of Quote}}\) right you got this now look at first option both are the same or not ?

  22. iwanttogotostanford
    • one year ago
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    no, because it i missing the A

  23. Nnesha
    • one year ago
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    well look at option A there is +4 but in ur equation it's -4

  24. iwanttogotostanford
    • one year ago
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    ah ok so it would be option D @Nnesha

  25. Nnesha
    • one year ago
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    yes right and bec the graph opens down that's how there is negative sign

  26. iwanttogotostanford
    • one year ago
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    okay, thank you

  27. Nnesha
    • one year ago
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    |dw:1443541832026:dw|

  28. Nnesha
    • one year ago
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    np

  29. iwanttogotostanford
    • one year ago
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    can i ask you another graph question with a new problem please?

  30. Nnesha
    • one year ago
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    i'll try not sure i'm not good at graphing stuff

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