December 15th, 2012, 06:07 AM  #1 
Newbie Joined: Dec 2012 Posts: 8 Thanks: 0  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. THANKS!! 
December 15th, 2012, 07:02 AM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 463 Math Focus: Calculus/ODEs  Re: gradient of y= 2x +8 ??
Yes, gradient and slope refer to the same thing with regards to functions.

December 15th, 2012, 12:25 PM  #3 
Math Team Joined: Sep 2007 Posts: 2,409 Thanks: 6  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 nonlinear 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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