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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(4176) |
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(4176) |
Question 600133: 15. find the standard form of the equation of the ellipse with center at the origin, vertices at the origin, vertices at (+/-5,0) and foci at (+/-3,0)
16. Find the standard form of the ellipse with center at the origin, vertices at (0,+/-4), and minor axis of length 6.
17. Find the standard form of the equation of the ellipse with vertices at (-2,3) and (6,3) and major axis of length 12.
18. find the standard form of the equation of the ellipse with vertices at (5,-2) and (-7,-2) and minor axis of length 4.
19. Find the standard form of the equation of the ellipse with minor axis of length 6, center at (5,-1) and a focus at (-1,-1).
Click here to see answer by lwsshak3(11628) |
Question 600372: Problem: 3yy+24y-xx-2x+41=0
have to decide if it is a circle, ellipse, parabola, or hyperbola.
it it is a hyperbola the equation has to be in this form:
(x-h)(x-h)/aa-(y-k)(y-k)/bb=1 or (y-k)(y-k)/aa-(x-h)(x-h)/bb=1
Parabola: y=a(x-h)(x-h)+k or x=a(y-k)(y-k)+h
then graph please.
Click here to see answer by lwsshak3(11628) |
Question 600341: Xx+yy=x+2. I need to decide if it is an ellipse, parabola, hyperbola, or a circle. Once I decide I need to put into the right equation and be able to graph it.
I need the equation to be in the form of:
Parabola: y=a(x-h)(x-h)+k Or. X=a(y-k)(y-k)+h
Ellipse: (x-h)(x-h)/aa+(y-k)(y-k)/bb=1. Or (x-h)(x-h)/bb+(y-k)(y-k)/aa=1
circle: (x-h)(x-h)+(y-k)(y-k)=rr
Hyperbola: (x-h)(x-h)/aa-(y-k)(y-k)/bb=1. Or. (y-k)(y-k)\aa-(x-h)(x-h)/bb=1
Or. Xy=c, when c doesn't equal 0
Click here to see answer by lwsshak3(11628) |
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