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Destinyyyy

  • one year ago

Can someone check my work.. Find the coordinates of vertex, y-intercept, x-intercept (if any exist).

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  1. Destinyyyy
    • one year ago
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    g(x)= -x^2 -6x+40

  2. Destinyyyy
    • one year ago
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    -(-6)/2(-1) = 6/-2 =3 g(3)= -(3)^2 -6(3)+40 31 vertex- (3,31)

  3. Destinyyyy
    • one year ago
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    I see a mistake.. -3

  4. sdfgsdfgs
    • one year ago
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    -3 is the right x for vertex :) wats the y then?

  5. Destinyyyy
    • one year ago
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    Vertex- (-3,49)

  6. Destinyyyy
    • one year ago
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    y-inter- (0,40)

  7. sdfgsdfgs
    • one year ago
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    both correct!

  8. Destinyyyy
    • one year ago
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    x-inter- (-10,0),(4,0)

  9. sdfgsdfgs
    • one year ago
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    correct as well! u can click on the "properties" button the next time: https://www.wolframalpha.com/input/?i=y%3D-x%5E2+-6x%2B40

  10. Destinyyyy
    • one year ago
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    Do you mind checking another one?

  11. sdfgsdfgs
    • one year ago
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    @Destinyyyy hahahaaa do u wanna give wolframalpha a try first? i can take a look if u dont like the wolf :)

  12. Destinyyyy
    • one year ago
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    I dont really know how to use that and I dont entirely trust those kind of sites. I use mathway and its checked my answers wrong before..

  13. Destinyyyy
    • one year ago
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    If you dont want to check it, its fine

  14. sdfgsdfgs
    • one year ago
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    OK sure i will do it :)

  15. Destinyyyy
    • one year ago
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    Okay thank you.. f(x)=x^2+6x+8 vertex- (-3,-1) y-inter- (0,8) x-inter-(-2,0),(-4,0)

  16. sdfgsdfgs
    • one year ago
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    @Destinyyyy all correct! GREAT job :)

  17. Destinyyyy
    • one year ago
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    Thanks..

  18. sdfgsdfgs
    • one year ago
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    welcome

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spraguer (Moderator)
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