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flyinglikeabird?

  • 2 years ago

Write the equation of a line with slope m = 3 and including point (3, 5) in slope-intercept form.

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  1. ajprincess
    • 2 years ago
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    Let the equation of the line be y=mx+c To find c plug in the values y=5, x=3 and m=3 in y=mx+c. Can u do it @flyinglikeabird??

  2. flyinglikeabird?
    • 2 years ago
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    c is -1?

  3. flyinglikeabird?
    • 2 years ago
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    err -4

  4. flyinglikeabird?
    • 2 years ago
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    3x3 = 9 + -4 = 5

  5. ajprincess
    • 2 years ago
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    yup c=-4. So ur equation becomes y=3x-4. Getting it?

  6. flyinglikeabird?
    • 2 years ago
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    I never really understand algebra. It all seems like made up crap. I see what you did, but what is c?

  7. ajprincess
    • 2 years ago
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    c is y-intercept

  8. ninab731
    • 2 years ago
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    Y=mx+b 5=3(3)+b 5=9+b B=4

  9. ajprincess
    • 2 years ago
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    @ninab731 b=-4 5=9+b 5-9=b -4=b

  10. flyinglikeabird?
    • 2 years ago
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    Ahh, okay. It all makes sense how you did it, don't understand why it is that way...

  11. ajprincess
    • 2 years ago
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    y=mx+c is the general slope-intercept form

  12. flyinglikeabird?
    • 2 years ago
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    I get it, just feels like I am missing something. But thanks for your help!

  13. ajprincess
    • 2 years ago
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    yw:) if anythng is nt clear plz ask

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