SOLUTION: I need help with this problem please: Find the equation of the tangent line which can be drawn to the graph of {{{y = 2x^2}}} at the point (1,2)

Algebra ->  Test -> SOLUTION: I need help with this problem please: Find the equation of the tangent line which can be drawn to the graph of {{{y = 2x^2}}} at the point (1,2)      Log On


   



Question 1000678: I need help with this problem please:
Find the equation of the tangent line which can be drawn to the graph of y+=+2x%5E2 at the point (1,2)

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I need help with this problem please:
Find the equation of the tangent line which can be drawn to the graph of y+=+2x%5E2 at the point (1,2)
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The slope is the 1st derivative.
y+=+2x%5E2
y' = 4x
At x=1, m = y' = 4
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y-2 = 4(x-1) is the tangent line.
y = 4x - 2