Find and describe the stationary points of the curve y = x^2 + 2x - 8

Stationary points occur when the derivative is = 0Derivative: 2x + 2 = 0, so a stationary point occurs when x = -1y = 1 + 2 - 8 = -5Second derivative = 2Therefore, the stationary point (-1,2) is a minimum

MN

Related Further Mathematics GCSE answers

All answers ▸

Given that xy=2 and y=3x+5, find x and y. Do not use trial and improvement.


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


Point A lies on the curve y=3x^2+5x+2. The x-coordinate of A is 2. Find the equation of the tangent to the curve at the point A


Solve the simultaneous equations xy=2 and y=3x+5.