Question

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, 3x2 + 7x + 2, 4x3 + 3x2 + 2, x3 + √3x + 7, 7x + √7, 5x3 - 7x + 2, 2x2 + 3 - 5/x ,5x- 1/2, ax2 + bx2 + cx + d , x + 1/x..
1. how many of the above 10 are polynomials
2. how many are quadratic equations

Answer 1

Answer:

1.all are polynomials

2.3

Answer 2

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