Which of the following expressions are polynomias ? Which are not? Give reasons.
(i)` 4x ^(2) + 5x -2`
(ii) `y ^(2) -8`
(iii)5
(iv) `2x ^(2) + (3)/(x) -5`
(v) `sqrt3x ^(2) + 5y`
(vi` 1/x + 1 (x ne 0) `
(vii)` sqrtx`
(viii) 3 xyz

Which of the following expressions are polynomials? Which are not? Give Reasons. 4x^2+5x-2

Which of the following expressions are polynomials? Which are not? Give Reasons. 2x^2+3/x-5

Which of the following expressions are polynomials? Which are not? Give Reasons. sqrt 3x^2+5y is a polynomial

Which of the following expressions are polynomials in one variable and which are not ? Give reasons for you answer. (i) 3x ^(2) - 2x + 5 (ii) x ^(2) + sqrt2 (iii) p^(2) - 3p +q (iv) y + (2)/(y) (y ne 0) (v) 5 sqrtx + x sqrt5 (vi) x ^(100) + y ^(100)

Find the degree of each of the polynomials given below (i) x ^(5) - x ^(4) +3 (ii) x ^(2) + x -5 (iii) 5 (iv) 3x ^(6) + 6y ^(3) -7 (v) 4- y ^(2) (vi) 5t - sqrt3

Check whether the following equations are quadratic or not . (i) x^(2) - 6x - 4 = 0 (ii) x^(3) - 6x^(2) + 2 x - 1 = 0 (iii) 7x = 2x^(2) (iv) x^(2) + (1)/(x^(2)) = 2 (v) (2x + 1 ) (3 x + 1 ) = 6 (x - 1) (x - 2) (vi) 3y^(2) = 192

Write the degree of each of the following polynomials (i) 7x ^(3) + 5x ^(2) + 2x -6 (ii) 7-x + 3x ^(2) (iii) 5p- sqrt3 (iv) 2 (v) - 5xy ^(2)