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huneya

  • 3 years ago

What is the slope of the line between (3, –4) and (–2, 1)?

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  1. waterineyes
    • 3 years ago
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    What is the change in y coordinates??

  2. huneya
    • 3 years ago
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    3

  3. waterineyes
    • 3 years ago
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    How??

  4. huneya
    • 3 years ago
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    1--4= -3

  5. waterineyes
    • 3 years ago
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    See, -(-) = + So, 1 - (-4) becomes 1 + 4 getting??

  6. huneya
    • 3 years ago
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    5 but how

  7. waterineyes
    • 3 years ago
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    -(-) becomes positive... Do you get that??

  8. huneya
    • 3 years ago
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    ok so how to find the ans

  9. waterineyes
    • 3 years ago
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    so you found y change = 5.. Now similarly tell me the change in x coordinates..

  10. huneya
    • 3 years ago
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    -5

  11. waterineyes
    • 3 years ago
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    Yes.. Now, \[Slope = \frac{y \; change}{x \; change}\] Can you do it now??

  12. huneya
    • 3 years ago
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    0

  13. waterineyes
    • 3 years ago
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    How??

  14. waterineyes
    • 3 years ago
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    \(Slope = \frac{5}{-5}\) Is it 0???

  15. huneya
    • 3 years ago
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    no u r wrong

  16. waterineyes
    • 3 years ago
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    How??

  17. waterineyes
    • 3 years ago
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    Aren't you getting the answer (-1) ???

  18. huneya
    • 3 years ago
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    is in between -2 and 2

  19. waterineyes
    • 3 years ago
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    See, the other formula of slope is: \[Slope = \frac{y_2 - y_1}{x_2 - x_1}\]

  20. waterineyes
    • 3 years ago
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    \[Slope = \frac{1 - (-4)}{-2-3} = \frac{5}{-5} = -1\]

  21. waterineyes
    • 3 years ago
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    Is -1 not between 2 and -2??

  22. waterineyes
    • 3 years ago
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    \(-2, -1, 0 , 1, 2\) It is between 2 and -2..

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