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sarver1995

  • 3 years ago

Enter in standard form the equation of the line passing through the given point and having the given slope. B(2, - 5), m = -2/3

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  1. saifoo.khan
    • 3 years ago
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    Use the short formula.. y - y1 = m(x-x1) y - (-5) = -2/3 (x - 2)

  2. saifoo.khan
    • 3 years ago
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    Solve.

  3. sarver1995
    • 3 years ago
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    y+5 = 2/3x - 4/3

  4. saifoo.khan
    • 3 years ago
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    Correct.

  5. saifoo.khan
    • 3 years ago
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    Now bring that into standard form.

  6. sarver1995
    • 3 years ago
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    2/3 x - y = i am stuck

  7. saifoo.khan
    • 3 years ago
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    make y the subject first.

  8. saifoo.khan
    • 3 years ago
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    y = 2/3 x -4/3 - 5

  9. sarver1995
    • 3 years ago
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    y = -2/3 - 5

  10. saifoo.khan
    • 3 years ago
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    wrong.

  11. sarver1995
    • 3 years ago
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    not sure what answer is then

  12. saifoo.khan
    • 3 years ago
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    |dw:1343322191844:dw|Can you solve from here?

  13. sarver1995
    • 3 years ago
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    not sure sorry

  14. GOODMAN
    • 3 years ago
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    What is it that you do not understand so i can help you out?

  15. GOODMAN
    • 3 years ago
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    Lets start this over. Basically you have got your slope and your b, so you are pretty much set up.

  16. sarver1995
    • 3 years ago
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    he said y = 2x/3 - 19/3 you cant substract that correct

  17. sarver1995
    • 3 years ago
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    so it would be 2x/3 - y = -19/3

  18. GOODMAN
    • 3 years ago
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    y - y1 = m(x-x1) y - (-5) = -2/3 (x - 2) y+5=-2/3x + 4/3

  19. sarver1995
    • 3 years ago
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    okay i see that so far

  20. sarver1995
    • 3 years ago
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    then i understand the 2/3x - y = 4/3 - 5 after this is where i get confused

  21. GOODMAN
    • 3 years ago
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    From there, you must but it into standard form, having all the x's and y's on one side. Subtract y, and then subtract 4/3. Giving you 11/3=-2/3x-y

  22. sarver1995
    • 3 years ago
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    2/3x-y = 11/3

  23. GOODMAN
    • 3 years ago
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    Yes. Only dont forget the (-) sign in front of the 2/3

  24. sarver1995
    • 3 years ago
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    okay thanks

  25. GOODMAN
    • 3 years ago
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    np :)

  26. sarver1995
    • 3 years ago
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    in my problem it will not let me have / as an option

  27. GOODMAN
    • 3 years ago
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    Okay, then you can get rid of the fractions by multiply each side by 3.

  28. GOODMAN
    • 3 years ago
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    Giving you -2x-3y=11

  29. sarver1995
    • 3 years ago
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    thanks

  30. GOODMAN
    • 3 years ago
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    Sure.

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