Classify the equation as separable, linear, exact, or none of these. Note that it is possible for the equation to have more than one classification. √4y-y² dx + -(4+6x-x²) dy = 0

Make a change of variable, x = Py. Give P and the new quadratic form. 2 = 4x + 7x² + 4x1x2 4x 19) Q(x) = 19

The parabola y = kx² – 3x + (k+2) has two distinct real roots. What set of values can k be? %3D

Solve the following quadratic function to find the x-intercepts: f(x) = x² - 6x +9 x = 3 x = -3 and 3 x = 9 and -6 x = -5 and -1