and set it equal to −5: = 2ax + b and = 2 (a)(0) + b = −5. Therefore, b = −5.
Finally, solve for a by plugging the second point (1, 5) into the equation for the curve. Also,
plug in b and c: 5 = a + b + c or a = 7, when b = −5 and c = 3. Finally, the equation of the
curve is y = 7x^2 − 5x + 3.