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ethompsonn

  • 3 years ago

What is the slope of the line that passes through the points (-3, 5) and (1, 7)?

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  1. ethompsonn
    • 3 years ago
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    the equation is 3x+y=11

  2. hartnn
    • 3 years ago
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    The slope of the line through points (x1,y1) and (x2,y2) is given by : \(\huge m=\frac{y_1-y_2}{x_1-x_2}\) now,just put the values and find m.

  3. hartnn
    • 3 years ago
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    the equation isn't correct for those 2 points

  4. ethompsonn
    • 3 years ago
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    im confused

  5. hartnn
    • 3 years ago
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    can u substitute the points in the formula i gave ?

  6. yummydum
    • 3 years ago
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    \[(x_1,y_1)~(x_2,y_2)\]| | | |\[(-3,5)~(1,7)\]

  7. ethompsonn
    • 3 years ago
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    |dw:1352734187091:dw|

  8. yummydum
    • 3 years ago
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    so x1=-3 y1=5 x2=1 and y2=7 now just plug in the values and simplify :)

  9. hartnn
    • 3 years ago
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    -2/-4 = 1/2

  10. hartnn
    • 3 years ago
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    everything else is correct :)

  11. yummydum
    • 3 years ago
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    yup :D

  12. ethompsonn
    • 3 years ago
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    ogg so 1/2?

  13. hartnn
    • 3 years ago
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    yes, slope = m = 1/2

  14. ethompsonn
    • 3 years ago
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    What is the equation of a line that has a slope of -5 and passes through the point (0, 2)?

  15. hartnn
    • 3 years ago
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    the equation of line in slope point form is y-y1 = m (x-x1) m= slope = -5 here (x1,y1) = point = (0,2) here now just put values.

  16. hartnn
    • 3 years ago
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    next time , please, make a new post for new question

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