Further MathematicsDifferentiationWAEC
Find the turning point of the curve y = 2x² − 8x + 5.
Show answer
Answer: A. (2, −3)
dy/dx = 4x − 8 = 0 at x = 2; y = 8 − 16 + 5 = −3 (a minimum).
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.