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

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 Question 308937: How do I write the following equations in standard form? Help is greatly appreciated! y= x^2 + 10x + 16 5x + 5y^2 - 20 = 0 Click here to see answer by edjones(7794)

 Question 309006: i need help on identify conic section and ellipses Click here to see answer by Fombitz(13828)

 Question 309192: Identify the conic. Choose the conic and its center. 16x^2 + 25y^2 - 96x - 200y = -144 I dont understand how to do this problem, ive tried and tried many times but i cant seem to hack it. Could you please help me step by step to solve this problem? Thank you so very much. Click here to see answer by scott8148(6628)
 Question 309192: Identify the conic. Choose the conic and its center. 16x^2 + 25y^2 - 96x - 200y = -144 I dont understand how to do this problem, ive tried and tried many times but i cant seem to hack it. Could you please help me step by step to solve this problem? Thank you so very much. Click here to see answer by solver91311(18785)

 Question 309219: Write an equation for the hyperbola...I have no idea. vertices (0,6) and (0,-6) conjugate axis of 14. I'd really like to figure out on my own but I have no idea where to start..so if someone could give me a step-by-step solution, that would be wonderful! Thank you. Click here to see answer by jim_thompson5910(29613)

 Question 310249: Find the equation of a circle that is tangent the line x = -8 and is tangent to both coordinate axis. Click here to see answer by stanbon(60771)

 Question 310267: find the x-intercepts of the parabola with (4,75) and y-intercept (0,27) Click here to see answer by Fombitz(13828)

 Question 310553: i need help making curves for my graphing project!!!!!!!!!!!!! i Click here to see answer by Alan3354(34674)

 Question 310645: Find the ellipse 16x^2+25y^2-64x+50y-311=0, find the center, vertices, and foci, and draw a graph. Click here to see answer by Fombitz(13828)

 Question 310657: what's the center and foci of the ellipse (x+5)^2/9 +(y-7)^2/25=1 Click here to see answer by Edwin McCravy(9716)

 Question 310643: Find the center, vertices, and foci of the ellipse x^2+4y^2-6x+24y+41=0 Click here to see answer by Fombitz(13828)

 Question 310800: Find an equation of an ellipse having the given intercepts: x-intercept: ±Ö 6 y-intercept: ±Ö 12 Click here to see answer by Alan3354(34674)

 Question 311025: Which is an equation for the parabola that has vertex (4,2) and passes through the point (-1,-73)? Click here to see answer by Fombitz(13828)

 Question 311070: how can i find the x-intercepts of the parabola with vertex (-1,2) and y-intercept (0,-3) Click here to see answer by solver91311(18785)

 Question 311096: what is the standard form of an equation? Click here to see answer by Alan3354(34674)

 Question 311211: I want to know why 4 is used in solving parabolas in conics? Click here to see answer by Fombitz(13828)

 Question 311310: Write an equation of an ellipse centered at the origin that has a horozontal axis of length 20 and vertical axis of length 8. Jeff said a circle is also an Ellipse. Is he correct. Explain. Find the center Major axis, minor axis and the ellipse with equation (x+3)^2/9 + y^2/25 =1 Please please help me. Click here to see answer by solver91311(18785)

 Question 311418: What is the standard form for the equation as a parabola? Click here to see answer by JBarnum(2088)

 Question 312030: how do you write in standard form y = 1/3(x-2)^2 + 4? I know how to do some of the problem. I'm stuck on how to get rid of the 1/3. y = 1/3(x-2)^2 + 4 y = 1/3(x^2 - 4x + 4) + 4 y = (x^2)/3 - 4x/3 + 4/3 + 4 or 3y = x^2 - 4x + 8 This is where I am stuck....help please!!!!!! Click here to see answer by Fombitz(13828)

 Question 312135: . Without graphing, find the minimum value. 7 -11 11 Click here to see answer by Fombitz(13828)

 Question 312141: The formula s = 16t2 is used to approximate the distance s, in feet, that an object falls freely (from rest) in t seconds. Use this formula to solve the problem. (Round answer to the nearest tenth.) A man drops his keys off a building 1420 ft high. How long does it take the keys, falling freely, to hit the ground Click here to see answer by nerdybill(7090)

 Question 312622: This is a matrix : [ 7 -8 5 3 -2 8 6 6 ] I was asked to find position a12 Click here to see answer by Fombitz(13828)

 Question 313004: x^2+6x+y^2-2y=90.....What is the conic section and identify the sections? What is the center points, vertices, foci, co-vertices, and directrix? what is the domain and range of each? Click here to see answer by rapaljer(4670)

 Question 313103: given (x-2)+8(y+5)2 find vertex focal length focus width of latus rectum directix axis of symmetry eccentricity Click here to see answer by Fombitz(13828)

 Question 314130: describe the graph of the parabola given the equation y=1/16x2 Click here to see answer by Fombitz(13828)

 Question 314229: Find the focus, directrix, and focal diameter of the parabola. 9x + 7y2 = 0 focus (x, y) = directrix focal diameter graph: Click here to see answer by Fombitz(13828)

 Question 314414: which equation represents a hyperbola? and why 1. y^2=16-x^2 2. y=16-x^2 3. y=16x^2 4. y=16/x Click here to see answer by Fombitz(13828)

 Question 314318: Let a, b>0. Find the equation of the parabola y = ax2 + bx + y that passes through the points (-a,0), (0, b), and (a, 0) Click here to see answer by Fombitz(13828)

 Question 314495: Find an equation for the circle C with center at (3, -5) tangent to the y-axis. Find an equation for the parabola B with focus (3, 1) and directrix x = 7. Click here to see answer by Fombitz(13828)

 Question 314676: Find the coordinates of the point halfway between (3,4) and (-2,5) Click here to see answer by Fombitz(13828)