Question

which of the following expressions is an example of a quadratic expression

Select one:
a. x3 + 2x2 + 3x + 7
b. 2x2 + 3x + 7
c. 3x + 2y
d. 2x2 + 3x + 7 + 4y3

Answer 1

Answer:

only option b

because a,d have degree 3

c has degree 1

Answer 2

Answer:

i think option b. 2*2+3x+7