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 ▸

The curve C is given by the equation x^4 + x^2y + y^2 = 13. Find the value of dy/dx at the point (-1,3). (A-level)


Use differentiation to show the function f(x)=2x^3–12x^2+25x–11 is an increasing function for all values of x


What is the distance between two points with x-coordinates 4 and 8 on the straight line with the equation y=(3/4)x-2


The equation 3x^2 – 5x + 4 = 0 has roots P and Q, find a quadratic equation with the roots (P + 1/2Q) and (Q + 1/2P)