Math

posted by .

For what values of k will the functon f(x)=kx^2-4x+k have no zeros

Determine the values of k for which the function f(x)=4x^2-3x+2kx+1 have 2 zeros

  • Math -

    if b^2 - 4ac < 0 ---> no real zeros
    if b^2 - 4ac = 0 ---> one real zero
    ifb^2 - 4ac > 0 ---> two real zeros

    if will do the 2nd question.
    a=4, b= 2k-3 , c = 1

    b^2 - 4ac
    = (2k-3)^2 - 4(4)(1)
    = 4k^2 - 12k + 9 - 16
    = 4k^2 - 12k - 7
    = (k + 1)(4k - 7)

    (k+1)(4k-7) > 0 for 2 real roots
    k < -1 OR k > 7/4

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    For what values of k does the function f(x)=(k+1)x^2+2kx+k-1 have no zeros?
  2. math grade 11

    I need help with this question determine the values in k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros. Check these values in the original equation. i don't get how to do it please help me.
  3. math grade 11

    I need help with this question determine the values in k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros. Check these values in the original equation. i don't get how to do it please help me.
  4. math grade 11

    Determine the value of k for which the function f(x)= 4x^2- 3x+2kx+1 has two zeros. check these values in the original equation?
  5. Math( help please ! )

    For what values of k will the function f(x)=3x^2+4x+k=0 have no zeros, one zero, 2 zeros
  6. Math

    Determine the values of k for which the function f(x)=4x^2-3x+2kx+1 has 2 zeros
  7. math

    Determine the values of k for which the function f(x)=4x^2-3x+2kx+1 has two zeros. Check these values in the orginal equation.
  8. math

    Determine the values of k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros , check these values in the original equation
  9. math

    Determine the values of k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros , check these values in the original equation
  10. Math

    f(x)=x64-4x^2+k. Find the values of k so thath the zeros of f satisfy the specified charachteristics. a.four real zeros b.two real zeros, each of multiplicity of two c.two real zeros and two complex zeros d.four complez zeros a.I don't …

More Similar Questions