Home
Class 10
MATHS
If the equation x^2+4x+k=0 has real ...

If the equation `x^2+4x+k=0` has real and distinct roots, then `k<4` (b) `k >4` (c) `kgeq4` (d) `klt=4`

A

`k lt 4`

B

`k gt 4`

C

`kge 4 `

D

`kle 4`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • PRACTICE TEST-1

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-B|7 Videos
  • PRACTICE TEST-1

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-C|14 Videos
  • PRACTICE PAPER- I (WITH SOLUTIONS) CLASS: X Mathematics (Standard)

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION -D|6 Videos
  • PRACTICE TEST-II

    CBSE COMPLEMENTARY MATERIAL|Exercise Section C|14 Videos

Similar Questions

Explore conceptually related problems

If the equation x^2+4x+k=0 has real and distinct roots, then k 4 (c) kgeq4 (d) klt=4

The equations x^(2) - 8x + k = 0 has real and distinct roots if :

If the equation x^(2)+4x+k=0 has real and distinct roots, then find the value of 'k'.

The equation x^(4)-2x^(2)=a has 4 distinct real roots,then

If the equation 2x^(3) -6x + k=0 has three real and distinct roots, then find the value (s) of k.

If the equation x^4- λx^2+9=0 has four real and distinct roots, then lamda lies in the interval

If the equation 4x^(3)+5x+k=0(k in R) has a negative real root then

If the equation x ^(4)+kx ^(2) +k=0 has exactly two distinct real roots, then the smallest integral value of |k| is:

If the biquadratic equation x^(4)-bx^(3)+cx^(2)+bx+1=0 has 4 real and distinct roots,then which of the following is necessarily true?

Show that the equation x^(2)+ax-4=0 has real and distinct roots for all real values of a .