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Barrelracing

  • one year ago

I really need help with this stuff but please explain, no direct answers write and equation in standard form the line has the same slope as 5x-y=7 and the same y-intercept as the graph of 2y-7x=8. the equation in standard form is?

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  1. sdfgsdfgs
    • one year ago
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    eqn of a straight line in standard form is y = mx + c; where m is the slope and c is the y-intercept. So far so good?

  2. Barrelracing
    • one year ago
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    ok

  3. sdfgsdfgs
    • one year ago
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    "he line has the same slope as 5x-y=7 " so we need to find out the slope from 5x-y=7.... can u put 5x-y=7 into the standard form of y=mx+c plz?

  4. Barrelracing
    • one year ago
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    y=-5x+7

  5. Barrelracing
    • one year ago
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    are you there?

  6. sdfgsdfgs
    • one year ago
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    Ooops sorry I got distracted....almost right but it should be y=5x-7 see where u made the mistake?

  7. Barrelracing
    • one year ago
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    yes

  8. sdfgsdfgs
    • one year ago
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    So what is the slope? We need that for part of the ans :)

  9. Barrelracing
    • one year ago
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    5

  10. sdfgsdfgs
    • one year ago
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    Correct! So keep that in mind and we work on finding the y-intercept ok?

  11. sdfgsdfgs
    • one year ago
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    "(T)he same y-intercept as the graph of 2y-7x=8" -same deal: put 2y-7x=8 into standard from y=mx+c to find the y-intercept

  12. Barrelracing
    • one year ago
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    2y=7x+8 y=7/2x+4

  13. sdfgsdfgs
    • one year ago
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    GREAT job! :) so whats the y-intercept here?

  14. Barrelracing
    • one year ago
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    4

  15. sdfgsdfgs
    • one year ago
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    Combining that w slope of 5, ur ans in standard form eqn is....

  16. Barrelracing
    • one year ago
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    y=5x+4?

  17. Barrelracing
    • one year ago
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    is that right?

  18. sdfgsdfgs
    • one year ago
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    Bingo - u got it :)

  19. Barrelracing
    • one year ago
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    thank you sooo much!

  20. sdfgsdfgs
    • one year ago
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    welcome! U did most of the work urself! lol

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