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

Tutors Answer Your Questions about Quadratic-relations-and-conic-sections (FREE)

Question 295542: Without writing the equation in the standard form, state whether the graph of this equation is a parabola, circle, ellipse, or hyperbola
7x^2-7y^2-8y=-2
Click here to see answer by stanbon(75887)

Question 295500: how to put ((x^2)/81)-((y^2)/(-144/7))=1 into y equals form
. i cannot figure out how to type this into my calculator. please help
Click here to see answer by Fombitz(32388)

Question 295516: A signal flare is fired upward from ground level at an initial speed of 294 m/s. A balloon is at 2450m and passes it. How long will it be before the flare passes the balloon going down?
(The answer is 40 sec but I don't understand how to get that)
Click here to see answer by Fombitz(32388)

Question 295763: I have 3 questions:
1, a rectangular field is to be enclosed by a fence and divided into two parts by another fence. Find the maximum area that can be enclosed and separated in this way with 800m of fencing.
Click here to see answer by richwmiller(17219)

Question 296291: y^2+2x-4y+9=0
Click here to see answer by richwmiller(17219)

Question 296292: y^2+2x-4y+9=0 find the standard form
Click here to see answer by richwmiller(17219)

Question 296335: How do I solve the equation 4x^2 - 9y^2 = 9 for a hyperbola when I can not make it fit the standard form of x^2/a - y^2/b = 1 because of the 4 and 9. Any help is appreciated
Click here to see answer by Earlsdon(6294)

Question 296482: How do i find the standard form equation of
x^2-4x+2y-8=0
Click here to see answer by richwmiller(17219)

Question 296711: The equation below is a circle. What is the x-coordinate of the center of the circle?
(x + 4)2 + (y - 5)2 = 152
Click here to see answer by Fombitz(32388)

Question 296787: what is the vertex of
Click here to see answer by jim_thompson5910(35256)

Question 296791: what is the equation of the perpendicular bisector of the line between the points (2,2) and (6,6)?????
Click here to see answer by JBarnum(2146)

Question 296794: given that the equation of a circle is x to the third + y to the secon power+ 10x+4y+13+0 find its center and radius
Click here to see answer by richwmiller(17219)

Question 297209: A girl throws her calculator form the 10th floor. the calculator falls in a parabolic motion. the equation which shows this is d=at^2+vt. Find at what time the calculator hits the ground if the v i(velocity initial) is 5m/s and is if a (acceleration) is 9.81m/s square.Please show calculations and a graph.
thankyouu
Click here to see answer by Alan3354(69443)

Question 297264: is this equatation, y=x^2-1 a parabola, circle, ellipse, or hyperbola
Click here to see answer by Fombitz(32388)

Question 297165: Find an equation of an ellipse having the given intercepts:

x-intercept: �� 6

y-intercept: �� 12

Click here to see answer by Fombitz(32388)

Question 297673: GIVEN THAT THE EQUATION OF A CIRCLE IS X^2+Y^2-10X+4Y+13=0 FIND ITS CENTER AND ITS RADIUS
Click here to see answer by richwmiller(17219)

Question 297681: In which direction does the parabola for the quadratic equation y = -x2 + 12x + 15 open?
Click here to see answer by stanbon(75887)

Question 297682: The axis of symmetry for the quadratic equation y = x2 + 4 lies on which axis?
Click here to see answer by Fombitz(32388)

Question 297765: The vertex of this parabola is at (4, -3). When the x-value is 5, the
y-value is -6. What is the coefficient of the squared expression in the parabola's equation?

Click here to see answer by stanbon(75887)

Question 297876: x=5y^2+25y+60 how do I graph this?
Click here to see answer by Alan3354(69443)

Question 297888: In which direction does the parabola open?
y = 3x^2 - 5x - 10
Click here to see answer by user_dude2008(1862)

Question 298099: What is the equation in standard form for the circle: x^2+y^2-4x+8y+4=0
Click here to see answer by Earlsdon(6294)

Question 298218: Write an equation for an ellipse with center(-4,2) and a horizontal major axis?
(Thats all the information given in the book)
Click here to see answer by Fombitz(32388)

Question 298194: Write the equation.
Hyperbola with C(-2,0) V(-2,3) y= +/- .5x
I am pretty sure C stands for center and V for vertex. There are two vertices so the second one should be at (-2,-3) I think. I am not sure what to do with the y = +/- .5x though.

Click here to see answer by Edwin McCravy(20056)

Question 298346: If a right circular cone intersects a plane that runs parallel to the edge of the cone, the resulting curve will be a(n) _____.
A. hyperbola
B. circle
C. ellipse
D. parabola
Click here to see answer by stanbon(75887)

Question 298488: How would you write the equation in vertex form for conic parabolas? I have gotten this far with the problem:

but I think I'm doing it wrong.
Could you please help me? Thank you!!!
Click here to see answer by checkley77(12844)

Question 298080: put the following equation in standard form, identify center and radius and graph. x squared + y squared+ 6x-4y+12=0
Click here to see answer by user_dude2008(1862)

Question 298773: graph the equation and describe the lines of symmetry 16x^2+4y^2=49
Click here to see answer by Alan3354(69443)

Question 298929: What is the standard form of,
x^2 + 10x + 45 + y^2 + 12y = 0
Click here to see answer by Jeff Gordon(65)

Question 299094: I need to find the equation of the ellipse with center at (1,2) vertex at (1,4) and contains point (2,2).
Click here to see answer by Alan3354(69443)

Question 299311: i have to write an equation for the hyperbola that satisfies each set of conditions. if you could walk me thru one i think i can figure out the others. vertices (-4,0) and (4,0), conjugate axis length 8. Thanks
Click here to see answer by stanbon(75887)

Question 299472: A hyperbola has asymptotes y = (+or-)3/5x. Which statement is true?
1. The conjugate axis is parallel to the transverse axis.
2.The vertices are (0,3) and (0,-3).
3.The hyperbola has only 1 y-intercept.
4.There is a focus at (3,5).
5.None of the above are true.
Click here to see answer by Edwin McCravy(20056)

Question 299505: find the vertices, center, and foci of the ellipse, and sketc its graph 9x^2+4y^2-36x+8y+31=0
Click here to see answer by Edwin McCravy(20056)

Question 299760: If a right circular cone intersects a plane that runs perpendicular to the cone's axis (but does not pass through its vertex), the resulting curve will be a(n)
Click here to see answer by Alan3354(69443)

Question 299952: x^2/25+y^2/16=1
How to graph that ellipse?
Click here to see answer by Fombitz(32388)

Question 300288: Solve the following system.
x2 + y 2= 25
2x + y = 10
The solution set {(-, ), (, )}.

Click here to see answer by Fombitz(32388)

Question 300287: Choose the correct conic section to fit the equation.
x2+ y2= 16

Click here to see answer by Fombitz(32388)

Question 300353: hola
Click here to see answer by Fombitz(32388)

Question 300296: Determine the coordinates of the foci of the original conic in exact form for the equation: 13x^2-6sqroot(3)xy+7y^2-16=0
Click here to see answer by Edwin McCravy(20056)

Question 300407: The problem is:
identify the vertices, co-vertices, and foci of the ellipse:
((x^2)/121)+((y^2)/100)=1

Click here to see answer by richwmiller(17219)

Question 300774: What is answer for X^2+Y^2=25 x2+y2
Click here to see answer by DTB63618(1)

Question 300774: What is answer for X^2+Y^2=25 x2+y2
Click here to see answer by Alan3354(69443)

Question 300963: Parabala...Word problem: What are the 3 consecative intragals numbers that sum 117?
Click here to see answer by josmiceli(19441)

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