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

3285 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

How do I find the stationary points of a curve?


Separate (9x^2 + 8x + 10)/(x^2 + 1)(x + 2) into partial fractions.


Express (3+ i)(1 + 2i) as a complex number in the form a+bi where a and b are real numbers.


Show that 2sin(x) =(4cos(x)-1)/tan(x) can be written as: 6cos^2(x)-cos(x)-2=0


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