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 TELUGU|Exercise EXERCISE 2.3|9 Videos
  • POLYNOMIALS AND FACTORISATION

    NCERT TELUGU|Exercise EXERCISE 2.4|9 Videos
  • POLYNOMIALS AND FACTORISATION

    NCERT TELUGU|Exercise EXERCISE 2.1|6 Videos
  • LINES AND ANGLES

    NCERT TELUGU|Exercise THINK, DISCUSS AND WRITE|3 Videos
  • PROBABILITY

    NCERT TELUGU|Exercise EXERCISE 14.1|21 Videos

Similar Questions

Explore conceptually related problems

Find the value of the polynomial 4x^(2)-5x+3 ,when x=0

Find the value of the polynomial 4x^(2)-5x+3 ,when x=2

Find the value of the polynomial 4x^(2)-5x+3 ,when x=-1

Find the value of the polynomial 4x^(2)-5x+3 ,when x=(1)/(2)

Find the value of following monomials, if x = 1: (i) -x , (ii) 4x (iii) -2x^(2)

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

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,-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)

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

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)

Express each of the following equations in the form of ax + by + c = 0 and write the values of a, b and c. (i) 3x + 4y = 5 (ii) x - 5 = sqrt3y (iii) 3x = y (iv) x/2+y/2=1/6 (v) 3x - 7 = 0