Question

Choose the correct classification of x6 + 3x3 by number of terms and by degree.
Third degree polynomial
Fourth degree trinomial
Third degree binomial
Sixth degree binomial

Answer 1

 x⁶ + 3x³

Since there are 2 terms, this is a binomial 

The degree of these is found by looking at the largest exponent on its variables. The highest degree in this binomial is the power 6

Therefore, it is a sixth degree binomial

The uploaded picture below will be helpful

Answer 2

it is a sixth degree polynomial