Lol232323 Lol232323

02-04-2017
Mathematics

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What's the rate of change of y=4x+7?

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amelia18 amelia18

02-04-2017

The slope/growth is 4.
Y= 4x+7
Figure 0 / y intercept= 7
The slope / growth = 4

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02-04-2017

Since this is a linear equation the rate of change or velocity is constant. Take the derivative of y with respect to x...

dy/dx=4

This is commonly called the slope of the line. All lines because they are straight have a constant velocity.

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