math

posted by .

Find the discriminant. Tell which conic section each graph will be.

4x^2 + 9y^2 +7x-2y-100=0





4x^2+14xy+7x-2y-100=0

  • math -

    discriminant is B^2 - 4AC
    first: 0 - 4*4*9 < 0 so ellipse

    second: 196 - 4*4*0 > 0 so hyperbola

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Conic Sections

    What place or object in Washington D.C. looks like a conic section?
  2. statistics

    A professional basketball player has embarked on a program to study his ability to shoot foul shots. On each day in which a game is not scheduled, he intends to shoot 100 foul shots. He maintains records over a period of 40 days of …
  3. algebra 2

    1) In the general second-degree equation Ax^2 + Bxy + Cy^2 + Dx + Ey = F = 0, what is the discriminant and what does it tell you about the graph of the equation?
  4. Conic section identification

    Explain which conic section this equation and explain how to solve it: 12x^2-18y^2-18x-12y+12=0
  5. Math

    For each point in a set of points, its distance from (-2,4) is three times its distance from the line x=6 1. find the equation 2. tell which conic section the graph will be.
  6. Math

    Find the discriminant. Tell which conic section the graph will be. 3x^2 + 12 xy + 9y^2 + 7x -2y - 100
  7. Math/conics

    For each point in a set of points, its distance from (3,4) is four times it's distance from (-5,2) a. Find the equation b. tell which conic section the graph will be.
  8. math

    Eddie buys 100 sheets of heavyweight paper to make a notebook. He places 1/4 of the sheets in a section for English and 1/3 of the reamining sheets in a section for math. Which section is thicker if the 100 sheets of heavyweight paper …
  9. precal : conics

    locate the center, foci, vertices,ends of the latera recta and draw the conic. Compute the eccentricity and equation of the conic. 1) 5x^2 + 2y^2 = 100 2)y^2 - 2x - 8y + 10 = 0
  10. Algebra

    Write the equation for the conic section of the cone is centered at (0,0), the major axis is 10 units and the minor axis is 6 units. (Ellipse) Write the equation for the conic section if the vertex is (-6,4) and the focus is (-6,7) …

More Similar Questions