Question

50 points Classify the expression: 5x^3 + 2x − 3

A Quadratic expression
B Linear expression
C Cubic expression
D Exponential expression
(I have an answer but I'm not so sure about it)

Answer 1

Cubic Expression

Explanation:

See answer above

Answer 2

C: Cubic Expression!

Explanation:

In this equation/expression, you can look at the highest exponent which is 3, and you can also look at how many terms it has, which is 3. This makes it a 3rd degree trinomial, which makes it C, Cubic Expression!