x^4+y=9
dy/dx=-4x
dy/dx=9x
dy/dx=9+4x
x^7+y=11
dy/dx=7x
dy/dx=-7x
dy/dx=11y
x^-13+y=15
dy/dx=-13x
dy/dx=13x
dy/dx=13y
x^9+y=10
dy/dx=10x
dy/dx=10y
dy/dx=-9x
x^-15+y=29
dy/dx=15x
dy/dx=29y
dy/dx=15y
3x^2+4y^2=7
dy/dx=-3y/4x
dy/dx=4x/3y
dy/dx=-3x/-4y
6x^2+2y^3=8
dy/dx=-9x/-2y^2
dy/dx=9y/2
dy/dx=2x/9y^2
8x^2+5y^2=10
dy/dx=5y/8x
dy/dx=-8x/-5y
dy/dx=8y/5x