dy Use implicit differentiation to find without first solving for y. da - 30x + 6x4 + y* = -2 dy 1516(7 - 8x3 3y) a dx 3240 + 243 Find the slope and y-intercept of the tangent line, in the form y = ma + b, to the curve at the point (1, 2) b ) y = -2 xx + 20 - 242 syntax incomplete