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buttermequeasy

  • 4 years ago

Take the points you have selected and write the equation of the line using the point-slope formula. Change the equation to slope-intercept form. Show the work. (2,5) and (3,4)

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  1. buttermequeasy
    • 4 years ago
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    Help please I don't understand!

  2. anonymous
    • 4 years ago
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    use the slope formula m=(y2-y1)/(x2-x1)

  3. anonymous
    • 4 years ago
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    then plug in the value for m in the equation y-mx+b

  4. anonymous
    • 4 years ago
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    solve for b

  5. buttermequeasy
    • 4 years ago
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    That's what I don't understand.

  6. anonymous
    • 4 years ago
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    btw, I meant y=mx+b

  7. anonymous
    • 4 years ago
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    m=(4-5)/(3-2) m=-1

  8. anonymous
    • 4 years ago
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    sub point (2,5) and m=-1 into y=mx+b and solve for b

  9. moongazer
    • 4 years ago
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    How do you solve for b?

  10. anonymous
    • 4 years ago
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    5=(-1)(2)+b b=7 thus the equation of the line is y=-x+7

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