Find the slope of the x + y = 0 and x - y = 0 .

Find the slope of the tangent to the curve y = x^(3)-x at x = 2.

Find the value of k if kx+ 3y - 1 = 0, 2x + y + 5 = 0 are conjugate lines with respect to the circle x^(2) + y^(2) - 2x - 4y - 4 =0 .

Find the value of k if x + y - 5 = 0 2x + ky - 8 = 0 are conjugate with respect to the circle x^(2) + y^(2) - 2x - 2y -1 = 0

Find the value of x^2-y+2 if x=0 and y=-1

The slope of the line 4x-5y-1=0 is

Find the value of K if the lines x+y-5=0 and 2x+ky-8=0 are conjugate with respect to the circle x^(2)+y^(2)-2x-2y-1=0