SOLUTION: Find the slope of the line normal to the curve y = 4x²-20x + 5 at x = 4.
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Question 1111275: Find the slope of the line normal to the curve y = 4x²-20x + 5 at x = 4.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
at .
slope needed for perpendicular is .
Answer by ikleyn(52893) (Show Source): You can put this solution on YOUR website!
.
The value m = 12 that @josgaritmetic determined in his solution, is the slope of the TANGENT line.
The slope of the PERPENDICULAR/ (normal) line is , of course.
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