SOLUTION: curve c is described by the equation 0.25x2+y2=9. determine the y coordinates of the points on curve c whose tangent lines have a slope equal to 1
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Question 635288: curve c is described by the equation 0.25x2+y2=9. determine the y coordinates of the points on curve c whose tangent lines have a slope equal to 1
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Find )
such that 
Differentiate implicitly:
So
But if , then 
, hence:
Substituting into the original equation:
^2\ =\ 9)
But
so
And the two points are:
)
)
John
My calculator said it, I believe it, that settles it
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