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anonymous

  • one year ago

write an equation in the form y=mx+b for the line that has a slope of 4 and contains the point (-1,-3)

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  1. pooja195
    • one year ago
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    \[\huge~y-y_1=m(x-x_1)\] m=slope (x1,y1)

  2. pooja195
    • one year ago
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    We know that the slope is 4 so m= slope We know x1 = -1 we know y1=-3 now just plug those into the formula :)

  3. anonymous
    • one year ago
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    2

  4. pooja195
    • one year ago
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    huh? 2 for what?

  5. pooja195
    • one year ago
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    i plugged it in for you :) now solve \[ \huge~y+3=4(x+1) \]

  6. pooja195
    • one year ago
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    Do you know what to do after this?

  7. anonymous
    • one year ago
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    multiply 1 from 4

  8. anonymous
    • one year ago
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    ?

  9. pooja195
    • one year ago
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    no distribute

  10. anonymous
    • one year ago
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    how do i distribute

  11. pooja195
    • one year ago
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    4(x+1) 4*x=? 4*1=?

  12. anonymous
    • one year ago
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    4

  13. pooja195
    • one year ago
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    y+3=4x+4 now we need to isolate y so we need to subtract 4-3=?

  14. anonymous
    • one year ago
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    1

  15. pooja195
    • one year ago
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    good so our final answer would be??

  16. anonymous
    • one year ago
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    y=4x+1

  17. pooja195
    • one year ago
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    good

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