Does the parabola y = 2x^2 - 13x + 5 have a tangent whose slope is -1. If so, then it will be?
- y= -x-13
- y= 2x+2
- y= x^2-1
- None of these
Explanation
Given:
Differentiate:
dx=4x−13
For slope :
At :
So the point of contact is (3, −16).
The tangent equation:
y=−x−13
Related MCQs
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
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