Further MathematicsDifferentiationWAEC
Find the equation of the tangent to y = x² at the point (2, 4).
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Answer: C. y = 4x − 4
Gradient = 2x = 4; y − 4 = 4(x − 2), so y = 4x − 4.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.