Determine whether 3y = −7x + 8 is quadratic or not. Explain.


A. No; there is no constant term, so c = 0.
B. No; there is no x-term, so b = 0.
C. No; there is no x2-term, so a = 0.
D. Yes; it can rewritten in the form y = ax2 + bx + c.