Find the turning point of the line y = x^2 + 2x -1

d(x2+2x-1)/dx = 2x+2when dy/dx = 0, x = -1when x = -1, y = -2
therefore the turning point is (-1,-2)

EO

Related Maths A Level answers

All answers ▸

Find the turning points of the curve y = x^3 +5x^2 -6x +4


Why do I need to add the + C when finding an indefinite integral?


7x+5y-3z =16, 3x-5y+2z=-8, 5x+3y-7z=0. Solve for x,y and z.


Showing all your working, evaluate ∫ (21x^6 - e^2x- (1/x) +6)dx