Home
Class 10
MATHS
If 1 is the zero of the quadratic polyno...

If 1 is the zero of the quadratic polynomial `x^(2)+ kx-5`, then the value of k is:

A

4

B

-4

C

0

D

5

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    OSWAAL PUBLICATION|Exercise TOPIC-1 DEGREE, VALUE AND ZERO OF A POLYNOMAIL (VERY SHORT ANSWER TYPE QUESTION)|13 Videos

  • POLYNOMIALS

    OSWAAL PUBLICATION|Exercise TOPIC-1 DEGREE, VALUE AND ZERO OF A POLYNOMAIL (SHORT ANSWER TYPE QUESTION)|24 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 3.7)|12 Videos

  • PROBABILITY

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 14.2)|4 Videos

Similar Questions

Explore conceptually related problems

If one zero of the quadratic polynomial 2x^(2) + kx - 15 is 3, then the other zero is :

If x = 2 is a zero of the polynomial 2x^(2) + 3x - p , then the value of pis:

If alpha and beta are the zeroes of the quadratic polynomial 2-3x-x^(2) then what is the value of alpha+beta+alpha beta ?

If x = 1 is a zero of the polynomial f(x) = x^3 – 2x^2 + 4x + K , then the value of Kis:

Find the zeroes of the polynomial : x^(2) + 5x - 14.

Find the zero of the polynomial : x^(2) + 2x + 1.

If 2 is a zero of the polynomial p (x) = 2x ^(2) - 3x + 7a, then find the value of a.

If alpha and beta are the zeros of the quadratic polynomial 4x^(2) + 4x +1 ,find the quadratic polynomial whose zeros are 2 alpha and 2 beta .

If the square of the difference of the zeros of the quadratic polynomial f(x) = x^(2) + px + 45 is equal to 144, find p.

Find the zeroes of the quadratic polynomial sqrt(3)x^(2)-8x+4sqrt(3)