Question

Which of the following expressions are polynomials? Justify your answer:

(i) 8 (ii) 2 3x – 2x (iii) 1– 5x

(iv) –2

1 5 7

5

x

x

+ + (v) ( x – 2)( x – 4)

x

(vi)

1

x +1

(vii)

1 3 2 2 – 4 – 7

7 3

a a + a (viii)

1

2x​

Answer 1

Answer:

ii

iii

v

vi

are the polynomial