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. If not give reason : sqrt(5)x^(2) + sqrt(3) x + sqrt(2)

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)

Which of the following expression are polynomial .if not give reason : (i) (1)/( x^(2)) +3x -4 (ii) x^(2) (x-1) (iii) (1)/(x) (x+5) (iv) (1)/(x^(-2) ) +(1)/( x^(-1)) +7 (v) sqrt (5) x ^(2) + sqrt 3x +sqrt2 (vi ) m^(2) -3sqrt (m) +7m-10

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

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)

Classify the following as linear, quadratic and cubic polynomials (i) 5x ^(2) + x-7 (ii) x -x ^(3) (iii) x ^(2) + x + 4 (iv) x -1 (v) 3p (vi) pi r ^(2)

Find the value of the polynomial 4x ^(2) - 5x +3, at (i) x =0 (ii) x =-1 (iii) x =2 (iv) x = 1/2

Write the coefficient of x ^(2) in each of the following br> (i) 15 - 3x + 2x ^(2) (ii) 1- x^(2) (iii) pi x ^(2) - 3x + 5 (iv) sqrt2 x ^(2) + 5x -1

Write each of the following in the form of ax + by + c = 0 and find the values of a, b and c (i) x = -5 (ii) y = 2 (iii) 2x = 3 (iv) 5y = -3