help me with algebra 6

Question 1.1. Which of the following is not a polynomial?

  2/y

  –4x + 3y

  4 – x

  p2q – 3pq2

Question 2.2. Which of the following is not a polynomial?

  y

  x2-√x+2 

  2 + s

  4×3+ y

Question 3.3. Find the degree of the polynomial.

3pq4 – 2p2q + q3

  1

  2

  4

  5

Question 4.4. How many terms does the polynomial have?

p3– 4pq2+q2– 3q

  1

  2

  3

  4

Question 5.5. Write the polynomial in standard form.

6x + x2 – x4 + 3

  –x4 + x2 + 6x + 3

  x4 + x2 + 6x + 3

6x + x2 + x4 + 3

6x – x2 – x4 + 3