Home
Class 10
MATHS
What is the value of k, if the roots of ...

What is the value of k, if the roots of `x^(2) + kx + k = 0` are real and equal ?

A

0

B

4

C

0 or 4

D

2

Text Solution

Verified by Experts

The correct Answer is:
0 or 4
For real and equal roots : `b^(2)-4ac=0`
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise PRACTICE SET 2.1|17 Videos

  • QUADRATIC EQUATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise PRACTICE SET 2.2|12 Videos

  • PYTHAGORAS THEOREM

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Challenging Questions|5 Videos

  • QUADRATIC EQUATIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise ASSIGNEMENT 2.4|8 Videos

Similar Questions

Explore conceptually related problems

For what values of k, the equation 2x^(2) +kx + 8 = 0 has real and equal roots ?

For what values of k , the roots of the equation x^(2) + 4x + k = 0 are real ?

Find the value (p) of k for which the equation x^(2) +5kx +16=0 has real and 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 x^(2) + k(4x + k - 1) + 2 = 0 has real and equal roots.

For what value of k the quadratic equation x ^(2) - kx +4 have real and equal roots ?

Find the value of k for the equation 2x^(2) + kx + 2 = 0 , if it has equal roots.

Find the value of k for which the equation x^(2)+k(2x+k-1)+2=0 has real and equal roots.

For what values of k ,the roots of the equation x^(2)+4x+k=0 are real?

Find the value of k for which the quadratic equation 3x^(2)+kx+3=0 has real and equal roots.