Home
Class 9
MATHS
Find the value of the polynomial 4x ^(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`

Text Solution

Verified by Experts

The correct Answer is:
(i) 3
(ii) 12
(iii) 9
(iv) `3/2`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • POLYNOMIALS AND FACTORISATION

    NCERT BANGLISH|Exercise EXERCISE 2.3|9 Videos

  • POLYNOMIALS AND FACTORISATION

    NCERT BANGLISH|Exercise EXERCISE 2.4|10 Videos

  • POLYNOMIALS AND FACTORISATION

    NCERT BANGLISH|Exercise EXERCISE 2.1|6 Videos

  • LINES AND ANGLES

    NCERT BANGLISH|Exercise THINK, DISCUSS AND WRITE|3 Videos

  • PROBABILITY

    NCERT BANGLISH|Exercise DO THIS|3 Videos

Similar Questions

Explore conceptually related problems

Find the value of the polynomial 5x - 4x^2 + 3 at x = 0 is

Find the zeroes of the polynomial p(x)=x^(2)-5x+4 .

The degree of the polynomial 7x^5 + 5x^9 + 3x^2 + 4x + 1 is

Divide the polynomial 2x ^(4) - 4x ^(3) - 3x -1 by x-1

Find the value of x^(2) for the given values of x. (i) x lt 3 (ii) x gt -1 (iii) x ge 2 (iv) x lt -1

Find the values of x^2 for the given values of x. (i) x lt 2 (ii) x gt -1 (iii) x ge 2 (iv) x lt -1

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

Find zeroes of the following polynomials (i) 2x -3 (ii) x ^(2) - 5x +6 (iii) x +5

Verify whether the values of x given in each case are the zeroes of the polynomial or not ? (i) p (x) = 2 x + 1,x =- 1/2 (ii) p (x) = 5x -pi , x = (-3)/(2) (iii) p (x) = x ^(2) -1 , x = pm 1 (iv) p (x) = (x-1) (x +2) , x =-1,k-2 (v) p (y) = y ^(2) , y =0 (vi ) p (x) = ax + b, x =- (b)/(a) (vii) f (x) = 3x ^(2) -1 , x =- (1)/(sqrt3) , (2)/(sqrt3) (viii) f (x) =2x -1 , x = (1)/(2), (-1)/(2)

Find the value of x^2 for the given values of xdot (i) x -2 (iii) xgeq2 (iv) x<-2

Home
Profile