find the gradient of the line y=2x^2-12x+16 at the coordinates (5,6)

dy/dx = 4x - 12
x-coordinate= 5 so sub in
20-12 = 8

Answered by Maths tutor

3356 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

The circle c has equation x^2 + y^2 = 1. The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.


How do I solve simultaneous equations by substitution?


Write y = x^2 + 4x + 6 in the form y = (x + a)^2 + b. What is the minimum value of y?


Solve algebraically the simultaneous equations x^2 +y^2 =25, y – 3x = 13


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences