Differentiate y=3x^2+2x+4 and find the stationary points, decide if it is a local maximum or minimum.

First Differentiate the equation to getdy/dx=6x+2Equal this to 0 to find the stationary pointdy/dx=0=6x+2 => 6x=-2=> x=-2/6=> x=-1/3
differentiate again to find the whether it is a maximum or minimumd2y/dx2=6Therefore as 6>0 we have that this point is a minimum.

JG
Answered by Jemma G. Maths tutor

4368 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

What is 50 as a percentage of 20?


Solve the equation x^2 + 3x - 10 = 0


( 9x3) + (18 /3)


How do I remember the area of a circle if it's not in the formula book?


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:

© 2025 by IXL Learning