Dahdahda

6 Questions
4 Answers

+1

607

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+38

Help with ellipses

Suppose that the graph of 2x^2 + y^2 + 8x - 10y + c = 0 consists of a single point. Find c.

Dahdahda Mar 21, 2019

+1

717

2

+38

Plz help me fast

In a certain hyperbola, the center is at (2, 0), one focus is at (2, 6) and one vertex is at (2, -3). The equation of this hyperbola can be written as (y-k)^2/a^2-(x-h)^2/b^2=1.
Find h+k+a+b

Dahdahda Mar 20, 2019

+1

2645

8

+38

Help asap.

An ellipse in the first quadrant is tangent to both the x-axis and y-axis. One focus is at (3, 7) and the other focus is at (d, 7). Compute d.

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Dahdahda Mar 20, 2019

0

589

1

+38

Help!

For a certain hyperbola (x^2/a^2)-(y^2/b^2)=1
where a is greater than b, the angle between the asymptotes is 60 degrees. Find a/b

Dahdahda Mar 20, 2019

0

649

1

+38

Help ASAP

An ellipse whose axes are parallel to the coordinate axes is tangent to the x-axis at (4, 0) and tangent to the y-axis at (0, 1). Find the distance between the foci of the ellipse.

Dahdahda Mar 20, 2019

0

725

1

+38

Help me! (nevermind)

Find the distance between the two foci of the hyperbola given by -6x^2+5y^2+24x+20y=64.

i got it, nevermind

Dahdahda Mar 20, 2019

+38

+2

I got it, thanks

DahdahdaMar 20, 2019

+38

0

Cool. I watched it, but I still don’t even know how to do this.

DahdahdaMar 20, 2019

+38

+1

I need d in the second focus of the ellipse

DahdahdaMar 20, 2019

+38

+2

No, like the oval shape

DahdahdaMar 20, 2019