Questions on Algebra: Conic sections - ellipse, parabola, hyperbola answered by real tutors!

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 Algebra: Conic sections - ellipse, parabola, hyperbola Solvers Lessons Answers archive Quiz In Depth

 Question 520893: 4x^2 - y^2 = 16 is the equation of a/an parabola/Hyperbola/Circle/Ellipse? Click here to see answer by lwsshak3(6518)

 Question 520902: Find the eccentricity of the curve 9x^2 - 4y^2 - 36x + 8y = 4 1) 1.80 2) 1.92 3) 1.82 4) 1.76 Click here to see answer by lwsshak3(6518)

 Question 520892: 4x^2 - y^2 = 16 is the equation of a/an parabola/Hyperbola/Circle/Ellipse? Click here to see answer by Alan3354(30993)

 Question 520964: Graph each circle. label the center and radius lenght. use a grafh paper (x-3)^2 + y^2= 36 Click here to see answer by lwsshak3(6518)
 Question 520964: Graph each circle. label the center and radius lenght. use a grafh paper (x-3)^2 + y^2= 36 Click here to see answer by solver91311(16897)

 Question 521338: need help to determine whether the following describe a parabola,a hyperbola,an ellipse,a circle,or none of these.a)x^-4x+y^-12y=60 b)2x^-4x+y^-12y=60 c)x^-4x-2y^-12y=60 d)-4x+y^12y=60 e)2x^-4x+2y^-12y=60 Click here to see answer by solver91311(16897)

 Question 521839: What is the standard form of the equation x^2 + y^2 + 10x -8y +5 = 0 Click here to see answer by lwsshak3(6518)

 Question 522055: The standard form of the equation of the parabola with it's vertex at (0,0) and focus at (0,-4) Click here to see answer by lwsshak3(6518)

 Question 522542: How can you tell the difference between ellipse, parabola, hyperbola from just looking at the formula? Please explain. Click here to see answer by lwsshak3(6518)

 Question 522526: Can you please help me with a problem? i have to identify the conic section and write the standard form and then graph it. x^2+y^2-4y-5=0 Thank you! Click here to see answer by lwsshak3(6518)

 Question 522655: how do you graph y=x^2-6x+7 in standard form Click here to see answer by lwsshak3(6518)

 Question 524277: Write an equation of the ellipse with foci (0,+2)|(0,-2) and co-vertices at (+1,0)|(-1,0) Click here to see answer by lwsshak3(6518)

 Question 524275: Write and equation of an ellipse in standard form with the center at the origin and a height of 4 units and width of 5 units. Click here to see answer by lwsshak3(6518)

 Question 524273: An ellipse has a vertex at (2,0), and a co-vertex at (0,-1), and a center at the origin. Which is the equation of the ellipse in standard form? Click here to see answer by lwsshak3(6518)

 Question 524276: Write an equation for a parabola in which the set of all points in the plane are equidistant from the focus and line F(0,8);y=-8 Click here to see answer by lwsshak3(6518)

 Question 525501: Write the standard equation for the circle. Then state the coordinates of its center and give its radius. X^2+y^2=4y=12 Click here to see answer by lwsshak3(6518)

 Question 526102: how do i solve this problem idk where to begin or how to do it? Find an equation of a parabola that contains the points (1,4)(2,7) and (4,25) Click here to see answer by lwsshak3(6518)

 Question 525796: what is the equation for the ellipse with the center at (2,-2); Vertex (7,-2); and focus at (4,-2) Click here to see answer by lwsshak3(6518)

 Question 526354: If a right circular cone intersects a plane that passes through one of its nappes, but the plane is not parallel to an edge of the cone, the resulting curve will be a(n Click here to see answer by stanbon(57377)

 Question 526143: How do I find the x-intercepts of the parabola with vertex (-3,16)and y-intercept (0,-20) Click here to see answer by lwsshak3(6518)

 Question 526526: so how would you find the vertex of f(x)=4x^2 and which form would you use Click here to see answer by lwsshak3(6518)

 Question 527312: how do I find the focus of a parabola? please explain in the simplest way possible Click here to see answer by lwsshak3(6518)

 Question 527273: For the parabola, y=1/20x^(2), what is the equation of the directrix Click here to see answer by lwsshak3(6518)

 Question 527256: Find the focus of the parabola that has vertex (7, 1), opens horizontally, and passes through the point (11, 0). Click here to see answer by lwsshak3(6518)

 Question 527571: A(n) _____ is produced when you slice a cone with a plane that passes through only one nappe of the cone, but is not parallel to an edge of the cone. Click here to see answer by zoomkaboom4(62)

 Question 527584: I need help finding the line of symmetry to y=-2(x+1)^2+18. Click here to see answer by lwsshak3(6518)

 Question 527556: Find the equation of the ellipse when foci is (5,0) and (-5,0) and the two vertices are (13,0) and (-13,0) Click here to see answer by lwsshak3(6518)

 Question 527771: major axis 20 units long and parallel to y-axis minor axis 6 units long center at (4,2) Click here to see answer by lwsshak3(6518)

 Question 527607: Write the equation for the hyperbola that satisfies the conditions: vertices (-5, 0) and (5, 0), conjugate axis of length 12 units. Click here to see answer by lwsshak3(6518)

 Question 528160: I was wonder how to solve the problem for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis are at (5,0) and (-3,0). Click here to see answer by KMST(1869)

 Question 528281: how do i write an equation for a hyperbola with the give information, vertices (-4,0) (4,0) conjugate axis length of 8 Click here to see answer by Edwin McCravy(8909)

 Question 528644: find the equation of the parabola that passes through the point (6,10) and has a vertex at (4,3) Click here to see answer by solver91311(16897)

 Question 528215: can you please help me solve these problems on parabolas and circles? Thanks 1.Find the equation of the two tangents to the parabola y^2=5x from the point (-1,1). 2.Find the equation of the two tangents,drawn through the external points (11,3) to the circle x^2+y^2=40. 3.write the equations of the tangent to the parabola y^2=10x,at the extremities of the latus recum.on what line do these tangent intersect? Click here to see answer by lwsshak3(6518)