Posted by ashvini on Tuesday, October 25, 2011 at 6:05pm.
If there are two distinct roots, the determinant is positive:
(-3+2k)^2 - 4(4)(1) > 0
9 - 12k + 4k^2 - 16 > 0
4k^2 - 12k -7 > 0
(2k+1)(2k-7) > 0
Either both factors are positive or both are negative
k < -1/2 or k > 7/2
Related Questions
math - Determine the values of k for which the function f(x)= 4x^2-3x+2kx+1 has ...
math - Determine the values of k for which the function f(x)= 4x^2-3x+2kx+1 has ...
math grade 11 - I need help with this question determine the values in k for ...
math grade 11 - I need help with this question determine the values in k for ...
Math - For what values of k will the functon f(x)=kx^2-4x+k have no zeros ...
Math - Determine the values of k for which the function f(x)=4x^2-3x+2kx+1 has 2...
math grade 11 - Determine the value of k for which the function f(x)= 4x^2- 3x+...
Math - For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no ...
Math( help please ! ) - For what values of k will the function f(x)=3x^2+4x+k=0 ...
Math - determine the value of k for which the fuction f(x)=4x^2-3x+2kx+1 has 2 ...
For Further Reading
