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anonymous

  • one year ago

Solve the following system of equations and show all work. y = −x^2 + 4 y = 2x + 1 Please Help

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  1. anonymous
    • one year ago
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    @Hero @Here_to_Help15

  2. anonymous
    • one year ago
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    @ganeshie8

  3. anonymous
    • one year ago
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    @jane11509

  4. anonymous
    • one year ago
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    @BlossomCake @butterflydreamer @Lady.Liv1776 @mathmate

  5. anonymous
    • one year ago
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    @Hero please

  6. anonymous
    • one year ago
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    -x^2+4=2x+1

  7. anonymous
    • one year ago
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    now solve for x

  8. anonymous
    • one year ago
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    Ok hold on

  9. anonymous
    • one year ago
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    I am confused

  10. anonymous
    • one year ago
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    what are you stuck on?

  11. anonymous
    • one year ago
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    Do I got to square root first or subtract 4 on both sides

  12. anonymous
    • one year ago
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    this problem involves factoring the equation

  13. anonymous
    • one year ago
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    so first get everything on one side of the equation

  14. anonymous
    • one year ago
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    oh ok

  15. anonymous
    • one year ago
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    -x^2+4=2x+1

  16. anonymous
    • one year ago
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    x^2 + 2x - 3 = 0

  17. anonymous
    • one year ago
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    (x+3)(x-1)=0

  18. anonymous
    • one year ago
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    x is -3 and 1

  19. anonymous
    • one year ago
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    plug these values into one of the equations to find the corresponding y-value

  20. anonymous
    • one year ago
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    y=2(-3)+1

  21. anonymous
    • one year ago
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    y=-5

  22. anonymous
    • one year ago
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    first solution (-3,-5)

  23. anonymous
    • one year ago
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    y=2(1)+1

  24. anonymous
    • one year ago
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    y=3

  25. anonymous
    • one year ago
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    second solution (1,3)

  26. anonymous
    • one year ago
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    I'm sorry I had stepped away but thank you so much

  27. anonymous
    • one year ago
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    np

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