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December 15th, 2012, 06:07 AM   #1
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gradient of y= -2x +8 ??

Anyone know what the gradient means? Does it just simply mean the SLOPE (-2/1) ??

OR is it reffering to something else? If so, any info would be helpful. I did a quick search on wikipedia and Im stil stumped.

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December 15th, 2012, 07:02 AM   #2
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Re: gradient of y= -2x +8 ??

Yes, gradient and slope refer to the same thing with regards to functions.
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December 15th, 2012, 12:25 PM   #3
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Re: gradient of y= -2x +8 ??

Note that for linear equations the "gradient" (I would say "derivative") is a constant and is the same as the slope of the line. For non-linear equations, the derivative at every point is equal to the slope of the tangent line at that point. That's some times used as the definition of "gradient".
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