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ewokkman1 Group Title

Which is the slope and y-intercept of the following equation? y = 8x + 1

  • 2 years ago
  • 2 years ago

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  1. Chlorophyll Group Title
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    Do you know slope y -intercept formula?

    • 2 years ago
  2. ewokkman1 Group Title
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    no, unfortuanately.

    • 2 years ago
  3. Chlorophyll Group Title
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    Please look it up, so you can learn!

    • 2 years ago
  4. brinethery Group Title
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    Paul is God. He got me through calculus, so I'm sure he can get you through algebra. Read through this whole section, you'll learn a lot. http://tutorial.math.lamar.edu/Classes/Alg/Lines.aspx

    • 2 years ago
  5. Chlorophyll Group Title
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    Brinet comes to rescue you :)

    • 2 years ago
  6. brinethery Group Title
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    Chlor, you can still answer, I just wanted to pass on these notes. They are awesome.

    • 2 years ago
  7. ewokkman1 Group Title
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    thanks ill read these and see if they help

    • 2 years ago
  8. Chlorophyll Group Title
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    Just give me any idea about slope!

    • 2 years ago
  9. brinethery Group Title
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    @ewokkman1, your y-intercept will be when x=0. Look at any graph and you can understand this visually. So plug x=0 into your equation and see what you get.

    • 2 years ago
  10. ewokkman1 Group Title
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    so the y-intercept will =9?

    • 2 years ago
  11. brinethery Group Title
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    What is 8*0?

    • 2 years ago
  12. ewokkman1 Group Title
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    0

    • 2 years ago
  13. brinethery Group Title
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    y = 8*0 +1

    • 2 years ago
  14. ewokkman1 Group Title
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    oh...... i think i understand it. So my y-intercept would would equal 1

    • 2 years ago
  15. brinethery Group Title
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    Yup! :-)

    • 2 years ago
  16. brinethery Group Title
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    And if you ever have it where it's not in y=mx+b form, first step is to always always always get it in that form. No coefficient next to the y. Make sure y is by itself. You'll understand more when you read through those notes, they explain it really well.

    • 2 years ago
  17. brinethery Group Title
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    So what is "m" in your case?

    • 2 years ago
  18. ewokkman1 Group Title
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    8

    • 2 years ago
  19. brinethery Group Title
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    Yep. And if you want to graph the line by starting at a given point, you want to move up 8 in the positive direction, and over 1 in the positive direction. They don't really specify this, but it's implied. m= 8/1 = 8. That helps if you don't feel like plugging in another point but just graphing the function. If it's -8, then that mean move down 8 in the negative direction and over 1 in the positive direction.

    • 2 years ago
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