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anonymous

  • 5 years ago

what is the slope of (3,3) and (-1,-1)

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  1. radar
    • 5 years ago
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    \[m =\Delta y/\Delta x\]

  2. anonymous
    • 5 years ago
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    hey, let x1=3 and y1=3 x2= -1 and y2 = -1 then use the formula, slope(m) = y2-y1/x2-x1= 1

  3. anonymous
    • 5 years ago
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    use the formula y=mx + b after poulami's formula

  4. anonymous
    • 5 years ago
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    so what is the answer?

  5. radar
    • 5 years ago
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    m=(3-(-1))/3-(-1))=4/4=1

  6. radar
    • 5 years ago
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    Slope is 1

  7. anonymous
    • 5 years ago
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    what is the slope for (-3,1) and (1,5)

  8. radar
    • 5 years ago
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    Work it the same way. What are your two y values?

  9. anonymous
    • 5 years ago
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    1,5

  10. radar
    • 5 years ago
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    right, what is the difference between those points, 5-1=???

  11. anonymous
    • 5 years ago
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    5-1=4

  12. radar
    • 5 years ago
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    Yes, 4 is the numerator. Now work out the denominator. What are the x values?

  13. anonymous
    • 5 years ago
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    -3-1=-2

  14. radar
    • 5 years ago
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    Almost. The difference between -3 and +1 if you were at -3 how many units would you have to move to get to +1. We are trying to get the distance from -3 to +1

  15. radar
    • 5 years ago
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    -3 - 1=-4

  16. anonymous
    • 5 years ago
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    so the answer is 4/-4

  17. radar
    • 5 years ago
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    1-(-3)=1+3=4 We have to go the same direction we went with the y value

  18. radar
    • 5 years ago
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    so the answer is 4/4 or 1 again.

  19. anonymous
    • 5 years ago
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    the slope for (-1,-1) and(3,3) is the slope 2 and 4

  20. radar
    • 5 years ago
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    What you must do is to label your two points (in your mind) as P1 and P2\[m=(y _{2}-y _{1})/(x _{2}-x _{1})\]

  21. radar
    • 5 years ago
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    Which point do you want to call P1?

  22. radar
    • 5 years ago
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    O.K. I will make the assignment (-1,-1) is P1, then (3, 3) is P2 then slope m=(3-(-1))/(3-(-1))=4/4=1 slope is 1

  23. anonymous
    • 5 years ago
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    (-3,1) (1,5) (3,3) (-1,-1) all these sides are each what

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