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waheguru

  • 4 years ago

How do you find the equation of a line when you are only given slope and the x -intercept

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  1. manning14
    • 4 years ago
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    y=mx+b!

  2. waheguru
    • 4 years ago
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    yea but how do i find b

  3. waheguru
    • 4 years ago
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    or y

  4. manning14
    • 4 years ago
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    m being slope, and you have a point so solve for b, the x-intercept being your point

  5. anonymous
    • 4 years ago
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    x intercept means you have the point (a,0) use point - slope \[y-0=m(x-a)\]

  6. rye
    • 4 years ago
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    confused

  7. Mertsj
    • 4 years ago
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    if you know the x intercept you know a point. Use point slope form.

  8. manning14
    • 4 years ago
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    for example if the intercept was (1,0) then 0= m(1) +b

  9. rye
    • 4 years ago
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    okay i listenin

  10. waheguru
    • 4 years ago
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    ok the slope is -1/2 and x int is -10 so what do i do

  11. rye
    • 4 years ago
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    you would divide or subtract i think

  12. waheguru
    • 4 years ago
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    help

  13. rye
    • 4 years ago
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    huh

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