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Durply

  • one year ago

NEED HELP PLZZZZZZ!!! Which equation is graphed here?A.y+5= -3/2(x-4) B.y-5= -2/3(x+4) C.y-5= -3/2(x+5) D.y-4= -3/2(x+5)

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  1. Durply
    • one year ago
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  2. Durply
    • one year ago
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    @Zarkon

  3. Durply
    • one year ago
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    @AriPotta

  4. Durply
    • one year ago
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    @mathmate

  5. mathmate
    • one year ago
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    Do you know how to find the slope and intercept from the equation of a line?

  6. Durply
    • one year ago
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    the slope is -3/4 right

  7. mathmate
    • one year ago
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    How did you get that?

  8. Durply
    • one year ago
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    went top from bottom

  9. mathmate
    • one year ago
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    could you show me how you got -3/4?

  10. mathmate
    • one year ago
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    Hint: slope is \(\Delta y /\Delta x\)

  11. Durply
    • one year ago
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    |dw:1432842841705:dw|

  12. Durply
    • one year ago
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    thats what i did

  13. mathmate
    • one year ago
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    That's a good start, but still you have not explained the part about -3/4!

  14. Durply
    • one year ago
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    idk

  15. mathmate
    • one year ago
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    In math, if you don't know, you are better off asking how to do it. A guess will get you nowhere. The next problem will be more difficult. Do you know the equation of a line in slope intercept form?

  16. mathmate
    • one year ago
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    Anyway, the slope intercept form of a line is y=mx+b where m=slope, b=y-intercept. Read off m and b from the graph. Then expand each of the four equations (answers) to find m and b for each. The one that matches both m and b is the correct answer.

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