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September 20, 2014

September 20, 2014

Posted by **Adam** on Thursday, April 22, 2010 at 9:49am.

The equation of this tangent line can be written in the form y=mx+b where m is:_________

and where b is:______?

The first to blanks are -43, but what is b? thanks

- calc -
**bobpursley**, Thursday, April 22, 2010 at 10:41amy'(-5)= 8(-5)-3=-43

now for the line

y= mx+b

where x,y is a point on the curve

x=-5, so y= 4x^2-3x+5 solve for the y.

Now that you have x,y, put it in the equation y=mx+b and solve for b.

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