Find the slope of the graph of the equation at the given point. (If an answer is undefined, enter UNDEFINED.) xy + y3x = -64, (4, -2) X Need Help? Read It Watch It Master It 9. [0/1 Points] DETAILS PREVIOUS ANSWERS LARAPCALC10 2.7.503.XP. Find the slope of the graph of the function at the given point. (If an answer is undefined, enter UNDEFINED.) x 3 + y - 2xy, (1, 1 ) X Need Help? Read It Submit Answer 10. [-/1 Points] DETAILS LARAPCALC10 2.7.024.MI. MY Find the slope of the graph of the equation at the given point. (If an answer is undefined, enter UNDEFINED.) (2x + 2y) = 8x + sys, (-1, 1)