Question

which relation is quadratic?
a. y = x^2 - x^2 + 4x + 2
b. y = (2x^2)(x + 1)
c. y = (x + 5)^2
d. y = 2x - 6x + 3

Answer 1

The answer is d because it makes the most sense

Answer 2

The answer is D because the answer shows that no work needs to be done to it