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

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Question 596994: Okay I have a homework question...
It says graph the conic section...
4x(squared) - 36y(squared) = 100
Click here to see answer by stanbon(57231)

Question 596993: Find the vertex,focus,and directrix of the equation; x^2+4x+6y-2=0
(What I've tried)

X^2+4x+6y-2=0
(x+2)^2 = 6y+2 (here's where i'm confusing myself)
(x+2)^2 = 6(y+2)? If that's right then it should be...
(x+2)^2 = 4(6/4)(y+2)
P=(6/4)
Vertex = (-2,-2)

Click here to see answer by lwsshak3(6465)

Question 597194: write in equation in vertex form and identify the conic section and graph it.
x^2+y^2+14y=-13
Click here to see answer by stanbon(57231)

Question 597275: write in vertex form -2x^2-12x-y-21= 0
Click here to see answer by solver91311(16868)

Question 597244: whats the equation for the hyperbola described. Foci (3,7) and (7,7); vertex at (6,7)
Click here to see answer by lwsshak3(6465)

Question 597464: Write the standard form of the equation of the circle with raduis and whose center is the orgin.
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Question 597527: 1) (x-4)^2/9+y^2+4y+4/25=1
Solve for y, find center, focus, name the curve
Would be very thankful for help in this have no clue where to start!
Click here to see answer by lwsshak3(6465)

Question 597524: Need help solving this -
1)(x-2)+y^2=16
It is wanting me to find the center, x- intercept y-intercept , solve for y and then name the curve of the graph
Click here to see answer by lwsshak3(6465)

Question 597634: Select the conic section that represents the equation.
x2+4y2=16
(Note: x square + 4y square =16)
A. Circle
B. Hyperbola
C. Parabola
D. Ellipse
Click here to see answer by lwsshak3(6465)

Question 597522: I'm so lost on parabola and hyperbola and don't know where to start on these problems
1) (y-3)^2-4(x-4)^2=16
it is asking for the standard form of this equation, center, vertices, foci ,asymptotes
Click here to see answer by lwsshak3(6465)

Question 597704: Write the equation of a hyperbola with vertices at (1,1) and (9,1) and foci at (0,1)and (10,1).
Click here to see answer by lwsshak3(6465)

Question 597818: Classify the conic section and write its equation in standard form.
x^2 + y^2 - 12x + 4y + 31 = 0

Click here to see answer by jillfired(3)

Question 597868: What is the equation of the parabola with a vertex (-3,5) and passes through the point (-1,13).
Give the equation in standard form y = ax2 + bx + c.
Click here to see answer by solver91311(16868)

Question 598076: The graph of the equation below is a hyperbola. In which directions does this hyperbola open? x^2/13^2 - y^2/7^2 = 1 I don't get it, would it be Left and Right or up and down?
Click here to see answer by Alan3354(30982)

Question 598211: The cost, C, of a manufacturing and selling x units of a product is C = 23x+73, and the corresponding revenue, R, is= x^2-35. Find the break-even value of x?
A. 4
B. 31
C. 31 and 4
D. 27
Click here to see answer by nerdybill(6948)

Question 598439: Direction: Write an equation for each hyperbola.
vertices: (1,-1) and (1,-9)
conjugate axis of length 6units

I would like to say please and thank you for helping me, in advance.(:
Click here to see answer by lwsshak3(6465)

Question 598440: Direction: Write an equation for each hyperbola.
vertices: (1,1) and (1,-3)
foci: {1, -1 +or- sqrt(5)}

I would like to say please and thank you for helping me, in advance.(:
Click here to see answer by lwsshak3(6465)

Question 598215: find an equation in the form y-k=a(x-h)^2 for the parabola with axis of symmetry x=-2and contains the points(0,1) and (2,-5)
Click here to see answer by lwsshak3(6465)

Question 598697: Write the equation of an ellipse with vertices (10, 0) and (-10, 0) and co-vertices (0, 2) and (0, -2).
Click here to see answer by stanbon(57231)

Question 598696: Write the equation of an ellipse with vertices (0, 12) and (0, -12) and co-vertices (2, 0) and (-2, 0).
Click here to see answer by stanbon(57231)

Question 598692: y=-1/9(x-6)^2+14
How do I find the endpoints for this equation, and what is the domain and range? How would I graph this problem?
Click here to see answer by stanbon(57231)

Question 598756: Find the equation of hyperbola whose asymptotes are 5x+3y=-1 and 5x-3y=11, and which passes through (4,-2)
I found the slopes of the equations -5/3 and 5/3. I do not know what to do next. Please help!
Click here to see answer by lwsshak3(6465)

Question 598910: trying to graph the following, but I've never seen something like this before:
(x-2)^2+(y-3)^2/64=1
help please
Click here to see answer by solver91311(16868)

Question 598910: trying to graph the following, but I've never seen something like this before:
(x-2)^2+(y-3)^2/64=1
help please
Click here to see answer by stanbon(57231)

Question 598910: trying to graph the following, but I've never seen something like this before:
(x-2)^2+(y-3)^2/64=1
help please
Click here to see answer by lwsshak3(6465)

Question 598963: What is the max value of the function y=-4(x-6)^2=8?
Click here to see answer by stanbon(57231)

Question 599117: what is the y-intercept and the x-intercept of 5x^2+49x+36

Click here to see answer by flame8855(424)

Question 599205: x^2+y^2+8x-6y=0
find the center and radius
Click here to see answer by math-vortex(472)

Question 599369: What would the focus and directrix of the equation y=3x^2 -5x^2 +3?
I have simplified it to y= -2x^2 +3 but i don't know what to do from there.
Click here to see answer by stanbon(57231)

Question 599381: Im doing Conic section and my homework asks me to graph im totally stumped. if you could help me that would be very appricated.

Click here to see answer by Alan3354(30982)

Question 599466: What is the vertex, focus, axis of symmetry and focal diameter of the equation 9y^2+36x+18y-63=0
Click here to see answer by lwsshak3(6465)

Question 599465: What is the center, vertices, foci, and asymptotes of the equation 4y^2-25x^2+100x-8y-196=0?
Click here to see answer by lwsshak3(6465)

Question 599711: Write an equation of the parabola with its vertex at the origin if its focus is at (0,2)
A. X=1/8y^2 B. y=-2x^2 C. y=2x^2 D. y= 1/8x^2
i have tried a lot i looked through all the formulas my teacher gave me and i just am having a really hard time
Click here to see answer by lynnlo(4155)

Question 599622: Which is the equation of a circle that has a diameter with endpoints(1,3) and(-3,1) ?
Click here to see answer by lwsshak3(6465)

Question 599621: Which is the equation of a circle that passes through(2,2) and is centered at(5,6)?
Click here to see answer by lwsshak3(6465)

Question 599605: What is the length of the radius of the circle with the equation (x-6)^2+(y+5)^2=21^2
Click here to see answer by lwsshak3(6465)

Question 599564: x squared over 9 + y squared over 100 = 1
is this a circle or ellipse?
Click here to see answer by lwsshak3(6465)

Question 599384: im doing conic sections my homework asks me to graph over means divided by if you could help me that would be very appricated.
Click here to see answer by lwsshak3(6465)

Question 599811: find the foci, length of the major axis, and length of the minor axis for the ellips x^2 + 4y^2 = 16.
Click here to see answer by lwsshak3(6465)

Question 599372: What is the focus and directrix of the equation 2x^2 +15y=0?
Click here to see answer by lwsshak3(6465)

Question 600050: x=y^2
Click here to see answer by Alan3354(30982)

Question 600116: Which equation represents the equation of a hyperbola?
F- x^2=2y
G- (3x^2)+(3y^2)+9y=7
H- (2x^2)-(3y^2)+x=10
J- (x^2)+(2y^2)-4x-3y+5=11
Click here to see answer by Alan3354(30982)

Question 600124: 6. find the center, vertices, and foci of the ellipse with the
following equation:
(x-2)^2/9 + (y-5)^2/4 = 1
7. find the center, vertices, and foci of the ellipse with the
following equation:
9x^2+16y+54x-64y+1=0
8. Find the center, vertices, and foci of the ellipse with the
following equation:
4x^2+3y^2-8x-12y+4=0
9. Find the center, vertices, and foci of the hyperbola with the
following equation:
x^2/9 - y^2/16 = 1
10. Find the center, vertices, and foci of the hyperbola with the
following equation:
(x+3)^2/4 - (y+5)^2/12 = 1
11. Find the center, vertices, and foci of the hyperbola witht he
following equation:
4y^2-x^2-4x-8=0
Click here to see answer by lynnlo(4155)

Question 600232: the equation of a parabola with the given focus and directrix
F(0,-5), y=5
Click here to see answer by lwsshak3(6465)

Question 600231: I am trying to write a general conic form equation of a circle usng this information given in the problem:
Ends of diameter: (2,0) and (-18,8)
Click here to see answer by lwsshak3(6465)

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