Question

21.) A teacher asked 10 of his students to write a polynomial in one variable
on a paper and then to handover the paper. The following were the
answers given by the students :
2x + 3, 13x2 + 7x + 2, 4x + 3x2 + 2, x2 + 3x + 7, 7x +V7, 5x – 7x + 2,
5
1
2x2 + 3 - 5x ax3 + bx2 + cx + d, x +
2
Answer the following questions :
(i) How many of the above ten, are not polynomials ? 3
How many of the above ten, are quadratic polynomials? |
1
x?
(ii)​

Answer 1

Answer:

1) 13x2+7x+2 ,4x +3x2+2, x2+3x+7 , 2x2+3-5xax3+bx2+cx+d

2) 0

3) x = variable.