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

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Algebra: Conic sections - ellipse, parabola, hyperbola

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Question 134123This question is from textbook Merill Algebra 2 with Trigonometry Aplications and Connections
: i dont understand how to complete the square on y=.5x^2-3x+19/2. i also have to graph this parabola and i dont know howThis question is from textbook Merill Algebra 2 with Trigonometry Aplications and Connections

Click here to see answer by ankor@dixie-net.com(6693)

Question 134309This question is from textbook Merill algebra 2
: i dont know how to solve this problem so that i get the equation of an ellipse
4x^2+9y^2+16x-18y-11=0This question is from textbook Merill algebra 2

Click here to see answer by jim_thompson5910(13794)

Question 134352: What is the standard form of the hyperbola
Click here to see answer by stanbon(26279)

Question 134460This question is from textbook

: I need help finding the Focus of a Parobola. The Vertex is (4,2) and the directrix is y=-3. Also if you are given the Vertex and focus can you find the directix? This question is from textbook

Click here to see answer by stanbon(26279)

Question 134756:
How do you solve y^2=-3x
Click here to see answer by checkley77(7060)

Question 134872: Decide whether the graph of the equation is a line, a parabola, or a circle.
x^2+4x+y^2-6y=3
Click here to see answer by stanbon(26279)

Question 134873: Decide whether the graph of the equation is a line, a parabola, or a circle.
y=-3x^2+7x-5
Click here to see answer by solver91311(5072)

Question 134982: following equation defines a relation (x,y). Write the domain and range of each relation.
x^2/9 + y^2/16 = 1
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Question 134932This question is from textbook

: Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse or hyperbola. Then graph the equation.
9x^2-36x+36=4y^2+24y+72This question is from textbook

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Question 134997: identify conic, center, vertices, foci, and directrixz:
x^2-8x-8y=8=0
Click here to see answer by stanbon(26279)

Question 135148: how do you solve a problem with an ellipse when the center shifts off of (0,0). where does the a^2 and b^2 come from on the equation: (x-h)^2 over a^2 + (y-k)^2 over b^2 [which all =1]?
Click here to see answer by stanbon(26279)

Question 135156: how do you solve an ellipse equation like this? when there a numbers in place of the a^2 and b^2?

(x-h)^2 (y-k)^2
_______ + _____
a^2 b^2
Click here to see answer by stanbon(26279)

Question 135206: Identify the conic section, write each in standard form, and graph:
4x^2-9y^2+y+3=0
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Question 135329: Use the graph of y=x^2-2x-8, does this function have a maximum and minimum and if so what are they?
Click here to see answer by Earlsdon(4900)

Question 135569: I NEED HELP ON THIS EQUATION COULD YOU HELP ME PLEASE?

Transform equation by completing the square and graph.

WHAT DO I DO AFTERWARDS?
Click here to see answer by vleith(1977)

Question 135906: how would I graph y2=12x (is this a parabola?)
Click here to see answer by stanbon(26279)

Question 136411: decide whether the equation has a graph line, a parabola, a circle.
x^2 -2y^2-5y=3
my choices are:
A) line
B) parabola
C) circle
D) none of these
I think its a hyperbola but not sure.

Click here to see answer by stanbon(26279)

Question 136438: find the center and radius of the circle given by:
x^2+10x+y^2+12y=-12
Click here to see answer by Earlsdon(4900)

Question 136431: find the center and radius of the circle given by:
x^2+10x+y^2+12y=-12
Click here to see answer by scott8148(3382)

Question 136818: Graph the equation. Identify the conic section. Then find the domain and range.
4x^2-24y^2-144=0. Please help me solve this
Click here to see answer by Earlsdon(4900)

Question 136996: Using the given equations of parabolas, find the focus, the directrix and the equation of the axis of symmetry.
y=1/20 x^2
Click here to see answer by solver91311(5072)

Question 137016: 4x2+y2+24x-4y+24=0
Click here to see answer by stanbon(26279)

Question 137050: Find an equation of a hyperbola with vertices at (-9,4) and (-5,4) and asymptotes y=3x+25 and y=-3x-17.

Click here to see answer by Edwin McCravy(2922)

Question 137171: Please help me with this problems!!
Number 1) find the vertices,center, foci, and eccentricity of the ellipses and sketch its graph. p.s. you don't really need to sketch it for me!
The equation is
Click here to see answer by stanbon(26279)

Question 137174: Please help me!!
Find the foci, focus,directrix, asymptotes, vertices, and center of this equation
Click here to see answer by stanbon(26279)

Question 137240: I need to know what the center and radius of the following circle would be:
x^2+y^2-4x+4y+4=0
anything else you might be able to tell me about the circle would be very helpful (ie. ecentricity)
Thank you
Click here to see answer by Earlsdon(4900)

Question 137433This question is from textbook Algebra 2

: Help we find what the following equation is a: parabola, ellipse, and circle and how to graph it.
My problem is 24y+x^2=0This question is from textbook Algebra 2

Click here to see answer by stanbon(26279)

Question 137455: solve: 3x^2-5x+1=0
Click here to see answer by oscargut(682)

Question 137452: f(t) = t^2-2t, find f(2)
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Question 137454: solve: 3x/x-1 + 2 = 3/x-1
Click here to see answer by ankor@dixie-net.com(6693)

Question 138187: convert the equation to expanded form.
1) y=(x+3)^+2
2) y+(x-b/2)^
3)y=2(x-4)^-1
4)y/6=(x-1/2)^
Click here to see answer by stanbon(26279)

Question 138443: Find the center and radius by completing the square.
x^2+y^2+10x+7=0
Click here to see answer by solver91311(5072)

Question 138443: Find the center and radius by completing the square.
x^2+y^2+10x+7=0
Click here to see answer by stanbon(26279)

Question 138452: Find the center and radius by completing the square!
x^2+y^2-4ax-6ay+4a=0

Click here to see answer by stanbon(26279)

Question 138452: Find the center and radius by completing the square!
x^2+y^2-4ax-6ay+4a=0

Click here to see answer by solver91311(5072)

Question 138701: The parabola with equation has it's vertex at (4,3) and passes through (5,4). Find an equation of a different parabola with its vertex at (4,3)that passes through (5,4). Can't seem to figure this out. Do i just switch the x and y?
Thanks
Click here to see answer by Edwin McCravy(2922)

Question 139154: Can someone please help me with this problem. I have no idea where to even start. I would really appriciate all the help I can get. This problem is from a work sheet from my perfessor.
A satellite has an elliptical orbit around the earth with ones focus at the earth's center, E. The earth's radius is 4,000 miles, the highest point that the satellite is from the surface of the earth is 800 miles, and the lowest is 200 miles. Find the eccentricity of the satellite's orbit.

Click here to see answer by scott8148(3382)

Question 139201: the parabola defined by y+2x^2+8x+7 opens_______________
a)down
b)to the right
c)up
d)to the left
Click here to see answer by checkley77(7060)

Question 139251: i have tried so hard to figure out this problem but it seems so difficult.
Given the function f(x)=2x^2-8x+3, answer the following questions using specific language to explain each step performed.
1.)determine the nature of the roots, using the discriminant.
2.) solve by using the quadratic formula
3.) graph using vertex roots and direction
4,)what is the minimum? maximum?
5.) what is the axis of symmetry?

how do i show all of this?

Click here to see answer by stanbon(26279)

Question 139349: could you help me with this problem?
Write an equation of an ellipse with the given characteristics.
center (0,0), vertical major axis of length 12, minor axis of length 4
thanks
Click here to see answer by scott8148(3382)

Question 139392This question is from textbook Algebra 2
: What is the answer in standard form and the center and radius of this circle equation?
3x^2+3y^2-18x+6y=18This question is from textbook Algebra 2

Click here to see answer by solver91311(5072)

Question 139350: i need help figuring this one out.. thanks
Write an equation of an ellipse with the given characteristics.
center(-1,5), vertex (3,5), co-vertex(-1,7)
thank you!
Click here to see answer by scott8148(3382)

Question 139711: I need help with this problem. I do not know where to begin. Can someone please help me. Thank you. This is from a worksheet.

Write a formula for the nth term of the infinite sequence whose nth term is given.

7.) -4,-2,0,2,4...
Click here to see answer by stanbon(26279)

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