What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = xn ==> the derivative dy/dx = nxn-1 This means that dy/dx = 6x + 5 for this equation So the gradient (dy/dx) when x = 4 is: 6*4 + 5 = 29

RH
Answered by Rishabh H. Maths tutor

5681 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

A square based pyramid with corners ABCD has side length 6 cm. The distance from the centre of the square (C) to the top vertex of the pyramid (V) is 4 cm. Work out the total surface area of the pyramid.


Solve x^(2) + 7x + 6 = 0.


Prove that the square of an odd number is always 1 more than a multiple of 4


3x^2 + 7x - 13 = 0. What is x?


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