20 ! (voting brainiest) four short math

1. To find the degree of the polynomial find the variable with the highest exponent, in this case is y^4 which means the degree of the exponent is 4.
2. 1, 2 and 3 are polynomials because there are more than one terms in the expression.
3. It would be a quadratic trinomial.
4. It would be a cubic binomial.

The degree is the value of the highest power
the highest power is y^4, so the degree is 4

polynomials never divide by placeholders
and the placeholders have to have whole number exponents (no 1/2 or -2)
first one is wrong (√x=x^(1/2))
2nd is right, that is (1/5)x+2
3rd is wrong, x has a negative, that would be 1/(x^5)
4th is wrong, has only 1 term (35x²)

cubic means 3rd degree
quartic means 4th degree
quadratic means 2nd degree
highest exponent is 4x^2, it is 2
quadratic trinomial
trinomial means 3 terms which it has

answer is quadratic trinomial

2 terms, binomial
highest exponnet is 3
cubic binomial

1. 4th degree
2. (x/5)+2
3. quadratic trinomial
4. cubic binomial