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Mathematics 8 Online
johnnn:

http://prntscr.com/ikn06l

johnnn:

@sillybilly123

EvieSwan2405:

I can't see print screen sorry

johnnn:

is this hard?....

johnnn:

The equation x squared divided by 81 plus y squared divided by 1 equals 1 represents a __________. parabola circle hyperbola ellipse

johnnn:

thats the question^

Shadow:

1 attachment
johnnn:

so whats the answer? @shadow

Shadow:

It's best to upload files using the "Attach File" function. Some people here can't view image sharing sites whilst on certain WiFi connections, including myself. Had to use a VPN which is a bother.

johnnn:

im sorry

johnnn:

so the answer is hyperbola?

Shadow:

No

EvieSwan2405:

eclipse

EvieSwan2405:

Here's why:

1 attachment
johnnn:

so the answer is eclipse?

Shadow:

Parabola \[y = a(x - h)^2 + k\] Circle \[ (x – h)^2 + (y – k)^2 = r^2\] Hyperbola \[ \frac{ (x-h)^2 }{ a^2 } - \frac{ (y - k)^2 }{ b^2 }= 1\] Ellipse \[\frac{ x^2 }{ a^2 } + \frac{ y^2 }{ b^2} = 1\]

Shadow:

Which one does it look like?

johnnn:

parabola?

Shadow:

\[\frac{ x^2 }{ 81} + \frac{ ^2 }{ 1 } = 1\] looks like?\[y = a(x - h)^2 + k\]

EvieSwan2405:

No. Ellipse!

Shadow:

._.

johnnn:

so its Ellipse

EvieSwan2405:

Wow shadow your great @ helping! Thx that even helped me!

johnnn:

okay i have one more question

Shadow:

Close this one then open up a new one.

johnnn:

okay

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