Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Verify whether the following are zeros of the polynomial indicated against them, or not p(x) = 2x − 1, x = 12 - Mathematics

Advertisements
Advertisements
Sum

Verify whether the following are zeros of the polynomial indicated against them, or not

p(x) = 2x − 1, x = `1/2`

Advertisements

Solution

p(x) = 2x − 1, x = `1/2`

`"p"(1/2) = 2(1/2) - 1`

= 1 – 1

= 0 

∴ `1/2` is the zero of the polynomial.

  Is there an error in this question or solution?
Chapter 3: Algebra - Exercise 3.2 [Page 91]

APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 9th Mathematics Answers Guide
Chapter 3 Algebra
Exercise 3.2 | Q 5. (i) | Page 91

RELATED QUESTIONS

Find p(0), p(1) and p(2) for the following polynomials:-

p(x) = (x – 1) (x + 1)


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = (x + 1) (x – 2), x = – 1, 2


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = x2, x = 0


Verify whether the following zeroes of the polynomial, indicated against them.

`p(x) = 3x^2 – 1, x = -1/sqrt3,2/sqrt3`


Find the zero of the polynomial in the following case:- p(x) = x + 5


Find the zero of the polynomial in the following case:- p(x) = x – 5


Find the zero of the polynomial in the following case:-

p(x) = ax, a ≠ 0


Verify whether the indicated numbers is zeroes of the polynomials corresponding to them in the following case:

`g(x)=3x^2-2,`  `x=2/sqrt3     2/sqrt3`


Find the zero of the polynomial of the following:

p(x) = x – 3


Find the zero of the polynomial of the following :

f(z) = 8z


Find the zero of the polynomial in the following:

h(x) = ax + b, a ≠ 0, a, b ∈ R


Verify whether the following are zeros of the polynomial, indicated against them, or not

p(x) = x3 – 1, x = 1


Verify whether the following are zeros of the polynomial, indicated against them, or not

p(x) = (x + 3) (x – 4), x = −3, x = 4


Find the number of zeros of the following polynomial represented by their graph


Find the number of zeros of the following polynomial represented by their graph


Find the number of zeros of the following polynomial represented by their graph


Find the number of zeros of the following polynomial represented by their graph


The zero of the polynomial 2x + 5 is


`(-4)/5` is a zero of 4 – 5y


Find the zeroes of the polynomial in the following:

q(x) = 2x – 7


Share
Notifications



      Forgot password?
Use app×