a) Factorise the following expression (x^2)-49 b) Differentiate the following equation y = (x^2) - 49 and find the stationary points of the equation

a) (x+7)(x-7) b) y = (x^2) - 49 y' = 2x 0 = 2x x = 0 y = (0^2) - 49 y = -49, x = 0

Answered by Thomas G. Maths tutor

2708 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

simultaneous equations - 2x + y = 7 and 3x -y = 8


Solve (11-w)/4 = 1 + w


Work out 2 1/7 + 1 1/4.


Solve the following simultaneous equations: (1) 4x+y=7 and (2) 3x+2y=9


We're here to help

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