Home
Class 10
MATHS
What is the value of k, if (1)/(2) is a ...

What is the value of k, if `(1)/(2)` is a root of the equation `x^(2) + kx- ( 5)/(4) = 0` ?

A

`(1)/(2)`

B

`-2`

C

2

D

`(1)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C [ Substitute `(1)/(2)` for x .]
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise 2.2 (1 MARK EACH)|6 Videos

  • QUADRATIC EQUATIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise 2.3 (2 MARKS EACH)|7 Videos

  • QUADRATIC EQUATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise CHALLENGIN QUESTIONS|2 Videos

  • SIMILARITY

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise SUBJECTIVE TYPE|20 Videos

Similar Questions

Explore conceptually related problems

If (1)/(2) is a root of the equation x^(2)+kx-(5)/(4)=0, then find the value of k.

For what value of k, -2 is a root of the equation 3x^(2)+4x+2k=0 ?

Find the value of K for which x=2 is a root of the equation 3x^(2)-2Kx+5=0 .

What is the value of k, If one root of the quadratic equation kx^(2)-7x+12=0 is 3

Find the value of k for which the roots of the quadratic equation 2x^(2) + kx + 8 = 0 will have equal value.

Find the value of k, for which one root of the quadratic equation kx^(2)--14x+8=0 is 2.

What is the value (s) of k for which the equation kx^(2)-kx+1=0 has equal roots?

What is the value of k for which the quadratic equation 3x^(2) - kx+ k = 0 has equal roots ?

Find the value of k for which the roots of the quadratic equation 2x^(2)+kx+8=0 will have the equal roots ?