y = 4x^2 + 20x + 11 is a curve. Find the minimum point of the curve.

Differentiate equation = 8x+ 20Set differential to 0 and calculate xx = 2.5

MD
Answered by Michael D. Maths tutor

2713 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the ratio between the surface area of sphere of radius 6cm and the total surface area of a hemisphere of radius 9cm.


How do I know whether to add or minus in Pythagoras's theorem?


How do I solve simultaneous equations? eg 1) 4x = 16 - 2y and 2) 3x + y = 9


Each day Chen buys pasta or a sandwich. Where Pasta costs £3.20 and Sandwich costs £2.75. For 45 days, the relative frequency of Chen buying a sandwich was one fifth. Altogether, how much did he pay?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning