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

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Question 437242: what is the rectangular equivalent of a parametric curve....x=t/5-1 and y=t-21
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Question 437329: 1.what are the foci of the graph x^2/40-y^2/81=1
2.what are the foci of the graph 4x^2-9y^2=36
3.the equation 3x^2-6y^2=6 represents which conic section?
4.write an equation for a parabola in which the set of all points in the plane are equidistant from the focus and line. F(-2,0); x=2
5.write an equation of a parabola that opens upward,has a vertex at the origin,and a focus at (0,1).

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Question 437216: A hyperbolic mirror has the property that a light ray directed at a focus will be reflected to the other focus. The focus of a hyperbolic mirror has coordinates (24,0). Find the vertex of the mirror if its mount has coordinates (24, 24). Center (0,0)
Click here to see answer by Alan3354(69443) About Me 
Question 437216: A hyperbolic mirror has the property that a light ray directed at a focus will be reflected to the other focus. The focus of a hyperbolic mirror has coordinates (24,0). Find the vertex of the mirror if its mount has coordinates (24, 24). Center (0,0)
Click here to see answer by robertb(5830) About Me 

Question 437574: How can you tell if a conic is a circle, ellipse, hyperbola, or a parabola?
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Question 437631: Graph the ellipse. Label the major axis, minor axis, and foci. Please show the graph.
4x^2+3y^2=48

Click here to see answer by Edwin McCravy(20056) About Me 

Question 437733: what is the x-coordinate of the center of the ellipse with the following equation? (x-4)^2/6^2+(y+8)^2/7^2=1
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Question 437733: what is the x-coordinate of the center of the ellipse with the following equation? (x-4)^2/6^2+(y+8)^2/7^2=1
Click here to see answer by Gogonati(855) About Me 

Question 437742: When do you use a=1/4f?
What does the a stand for? and what does f stand for?

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Question 437788: what kind of problem is this: 5x - 4y = 9 ? hyperbola, parabola,or ellipse?
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Question 437948: (y+6)2 - (x-8)2
------ -----=1
9 16
need help with the answer.

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Question 437950: Find the standard form of the equation of the ellipse with the given characteristics.
foci: (1,1), (1,5) endpoints of the major axis: (1,-5), (1,11)
I need help with this problem.

Click here to see answer by ewatrrr(24785) About Me 

Question 437902: The circle x^2 + y^2 - 2x - 3 = 0 is stretched horizontally by a factor of 2 about x = 0 to obtain an ellipse. what is the equation of this ellipse in general form
Click here to see answer by Edwin McCravy(20056) About Me 

Question 438023: I need to graph this circle.
x^2+y^2+4x-8y-5=0

Click here to see answer by lwsshak3(11628) About Me 

Question 438136: find the standard form of the equation of the ellipse with the following characteristics:
foci: (=/-7,0) major axis of length is 20
please help with this problem

Click here to see answer by robertb(5830) About Me 

Question 438130: find the vertices and asymptotes of the hyperbola.
9y 2 - 4x 2=36
need help with this problem.

Click here to see answer by robertb(5830) About Me 

Question 438129: find the standard form of the equation of the hyperbola with the given characteristics.
vertices: (0,+/-5) Foci: (0,+/-7)
need help solving this problem

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Question 438164: what is the vertex of y=5x^2+2x-4

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Question 438126: Find the standard form of the equation of the hyperbola with the given characteristics.
Vertices (4,-1), (4,3) Foci: (4,-2) ,(4,4)
need help solving this problem.

Click here to see answer by robertb(5830) About Me 

Question 438203: How do you write the standard form equation given the vertices (0,7) (0,-7) and foci (0,square root 33) (0,- square root 33) please show work
Click here to see answer by robertb(5830) About Me 

Question 438558: How do you state this in standard form and how is it graphed? I am trying to figure out lines of symmetry, domain, and range.
16x squared + 4y squared = 25.
thanks!
Zach

Click here to see answer by stanbon(75887) About Me 
Question 438558: How do you state this in standard form and how is it graphed? I am trying to figure out lines of symmetry, domain, and range.
16x squared + 4y squared = 25.
thanks!
Zach

Click here to see answer by robertb(5830) About Me 

Question 438643: Please help me solve this equation: (x+2)^2=y-4
Click here to see answer by stanbon(75887) About Me 

Question 438716: Graph the hyperbola. Label the x or y intercepts for the "branches". Also, show the asymptotes and the foci. Please show the graph.
x^2/4 - y^2/9 = 1

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Question 438715: Graph the hyperbola. Label the x or y intercepts for the "branches". Also, show the asymptotes and the foci. Please show the graph.
y^2/25-x^2=1

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Question 438712: Graph the hyperbola. Label the x or y intercepts for the "branches". Also, show the asymptotes and the foci. Please show the graph.
x^2/4-y^2/25=1

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Question 438565: what is the center, foci, and asymptotes for the conic?
x^2/16-y^2/25=1

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Question 437895: Use 4x^2 - y^2 - 8x - 4y + 16 = 0 to do the following.
Write the equation in standard form.
I got (x-1)^2/2 - (y-2)^2/8 = 1
Locate the centre and vertices of this curve.
State the domain and range of this curve.

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Question 438708: Graph the hyperbola. Label the x or y intercepts for the "branches". Also, show the asymptotes and the foci. Please show the graph.
3y^2-75x^2=225

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Question 438836: Sketch the graph of y^2/16 - x^2/4 = 1 and its asymptotes. identify the vertices on your graph.
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Question 438710: Graph the hyperbola. Label the x or y intercepts for the "branches". Also, show the asymptotes and the foci. Please show the graph.
5x^2-20y^2=100

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Question 439456: Find the vertices and foci of the conic. 25x^2 + 4y^2 + 50x = 75
Click here to see answer by Gogonati(855) About Me 

Question 438131: Find the standard form of the equation of the ellipse with the given characteristics.
vertces: (-3, -10), (-3,0) minor axis of length 4
Please help with this problem.

Click here to see answer by lwsshak3(11628) About Me 

Question 439500: what is the standard form of a parabola conic that has a center at (-1.5, 9.8) and passes through (-2,9.5) and (-1,9,5)

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Question 439715: Find the co-ordinates of the foci, the
eccentricity and the equations of the
directrices of the hyperbola 4x 2 — 9y2 = 36.

Click here to see answer by robertb(5830) About Me 

Question 439714: Find the co-ordinates of the vertices and the
foci and length of the latus rectum of the
ellipse 9x2 + 25y2 = 225.

Click here to see answer by Gogonati(855) About Me 

Question 439648: y=2x^2+x-6 Find the Vertex, Min or Max, Zero's, Y-intercept, Axis of Symmetry, Wider or Thinner, Domain, Range?
Click here to see answer by Gogonati(855) About Me 

Question 440069: Find the equation of a parabola with focus (1,2),vertex (3,2)
Click here to see answer by robertb(5830) About Me 

Question 440073: Find the area of the region bounded by the
curve y = 5x — x2., x =0, x = 5 and lying
above the x-axis.

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Question 440075: Draw the curve for the following equation
a.x2 + 4y2 + 4xy =9
b.3x + 7y=8

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Question 440299: Find an equation of the tangent line to the parabola y=2x^2 at the point (-1,2), and find the x-intercept of the line.
Click here to see answer by Alan3354(69443) About Me 

Question 440305: find the center of the ellipse: 36x%5E2%2B64y2-36x-96y-531=0
Click here to see answer by ewatrrr(24785) About Me 

Question 440309: find an equation of the tangent line to the parabola y=2x^2 at the point (-1,2), and find the x-intercept of the line.
Click here to see answer by Alan3354(69443) About Me 

Question 440072: Find the coordinates of the vertices and the
foci and the length of the latus rectum of
the hyperbola 16x^2 — 9y^2 =144.

Click here to see answer by ewatrrr(24785) About Me 

Question 440560: Write an equation of an ellipse that had a center of (0,0), horizontal major axis of length 13, minor axis of length 10. What is the equation?
Click here to see answer by Alan3354(69443) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955