What is the y-coordinate minimum point of y = 3x^2 + x - 4

if y=3x^2 + x -4 

then 

dy/dx = 6x + 1

setting this equal to zero gives

6x + 1 = 0

so then

x = -1/6

putting this x value back into the original equation gives

y = -49/12

Answered by Mike W. Maths tutor

3292 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

The first term of an arithmetic series is a and the common difference is d. The 12th term is 66.5 and the 19th term is 98. Write down two equations in a and d then solve these simultaneous equations to find a and d.


Integrate ∫sin²xcosxdx


Given that x = 4sin(2y + 6), Find dy/dx in terms of x


Differentiate y = 15x^3 + 24x^2 + 6 with respect to x.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences