1) 2xy²- 5x²y - 7xy²+ 4x

Question 1 options:

a)-6x²y²

b)-10x²y²+ 4x

c)-5x²y⁴- 5x²y + 4x

d)-5xy²- 5x²y + 4x

2) Add the polynomials

(2t³- 3t²+ 1) + (4t³+ 5t²+ 2t).

Question 2 options:

a)6t⁶+ 2t⁴+ 2t + 1

b)6t³+ 2t²+ 2t + 1

c)6t³+ 2t²+ 3t

d)11t¹¹

3) Subtract the polynomials

(2t³- 3t²+ 1) - (4t³- 5t²+ 2t).

Question 3 options:

a)6t³- 8t²+ 2t + 1

b)-2t³- 8t²+ 2t + 1

c)-2t³+ 2t²- 2t + 1

d)-2t³+ 2t²+ 2t + 1

4) Multiply the polynomials

(3t²+ 1)(5t²+ 4).

Question 4 options:

a)15t⁴+ 17t²+ 4

b)32t⁴+ 4

c)32t²+ 4

d)15t³+ 17t + 4

5) Divide the polynomials

8t³- 27 by 2t - 3.

Question 5 options:

a)4t²- 6t + 3

b)4t²- 6t R 7

c)4t²+ 9

d)4t²+ 6t + 9