posted by .


Find the x intercepts of f(x)=3x^2-5x-11

  • math -

    In this equation, a=3, b=-5, c=-11

    {- b + sqrt(b^2 - 4ac)} / {2a}


    {- b - sqrt(b^2 - 4ac)} / {2a}

    2.92 and -1.25

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math question?

    How do you compute the x and y intercepts of a quadratic function?
  2. Algebra

    5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. y = 3x - 6 6y = -x + 2 The y intercepts is when x=0 So put in x=0 in each, and solve for y. The x intercepts is when y=0, put in …
  3. Algebra

    Did I do this right? Find the vertex, the x intercepts and y intercepts. f(x)=(x-2)^2-4 Vertex: 2,4 X intercepts: 0,0 4,0 Y intercepts: I didn't know how to get these. Could you explain?
  4. algebra

    solve 4x^2=20 find the x-intercepts of f(x)=4x^2=20 What are the solutions and what are the x-intercepts
  5. Algebra I

    Did I do these probelms correctly? Find the intercepts 1. y^2 = x^2 - 4x y^2 = x(x - 4) Y intercepts y^2 = 0(0 - 4) (0,0) x intercepts 0 = x(x - 4) 0 = x - 4 4 = x (4,0) 2. y = (x (x + 3))/(3x + 1)^2 y intercetps y = (0(0 + 3))/(3(0)
  6. Math

    Let f(x)=-(x-1)^2+4 Solve f(x)=0 to find the x-intercepts
  7. Math - x-intercepts and y-intercepts

    Hi, can someone help me with intercepts. find the intercepts of f(x) = x^2 - 6x - 2 can someone show how to work this problem. thanks.
  8. algebra

    want to know if this right find the x and y intercepts of the equation plotting the intercepts -3x-5y=15 -3x-5(0)=15 -3x-0=15 -3x=15 x=-5 the x intercepts are (-5,0) find the y -3x-5y=15 -3(0)-5y=15 0-5y=15 -5y=15 y=-3(0,-3)
  9. PreCalculus

    I'm trying to find the x-intercepts of a polynomial function = 4x^4-3x^3-6x^2+2x+6. I don't want anyone to solve it, could someone please just tell me how to start factoring this so I can find the x-intercepts, I'm lost.
  10. algebra 2

    how do you solve 7x+x (x-4)=0 solution (s)/arex= find the x- intercepts of f(x)=7x+x(-4) what are the x intercepts

More Similar Questions