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

Related Maths GCSE answers

All answers ▸

2476 adults watch a cricket match. The ratio men : women is 3 : 1 How many more men than women watch the match?


Prove that (2n+3)^2-(2n-3)^2 is a multiple of 8 for positive integer values of n


Write down the length of side "a"


What is a linear equation?