Work out the coordinates for the stationary point of y = x^2 + 3x + 4

dy/dx = 2x + 3dy/dx = 0 at stationary pointTherefore 2x + 3 = 0so x = -3/2so y = (-3/2)^2 +3 (-3/2) + 4so y = 9/4 - 9/2 + 4therefore y = 7/4so the coordinates of the stationary point are (-3/2 , 7/4)

IM

Related Further Mathematics GCSE answers

All answers ▸

How to solve the inequality 1 - 2(x - 3) > 4x


Find any stationary points in the function f(x) = 3x^2 + 2x


y = (x+4)(6x-7). By differentiating, find the x coordinate of the maximum of this equation.


Find the x and y coordinates of the minimum of the following equation: y = x^2 - 14x + 55.