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- anonymous

CHECK MY ANSWER?
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.
r = -5 - 5 cos θ
I got y-axis.

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- anonymous

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- anonymous

do u have a graph to attach

- anonymous

- anonymous

there is no graph with the problem. i plugged it into wolfram alpha

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- jim_thompson5910

I don't really like how wolfram alpha sets up their graphs and how there's no customization
The online grapher "fooplot" is a better choice for polar plots
http://fooplot.com/plot/dreqosz0s8

- anonymous

Well that looks completely different from the wolfram alpha one!

- anonymous

From wolfram I got that the graph was symmetric along the y axis and with this one im getting its symmetric along the x axis..

- jim_thompson5910

what did you type into wolfram alpha?

- anonymous

-5 - 5 cos θ

- jim_thompson5910

I see. It's thinking you want to graph y = -5-5*cos(x) on the regular cartesian xy coordinate system (not the polar coordinate system)

- jim_thompson5910

if you type in "-5 - 5 cos θ polar", that key term "polar" at the end, you get a polar graph

- anonymous

Oh, alright, I see...

- jim_thompson5910

fooplot is still a better choice though because you can move the graph around, zoom in/out, etc

- anonymous

So it seems my graph will be symmetrical along the x axis after all

- jim_thompson5910

correct

- anonymous

Thank you very much for your help : )

- jim_thompson5910

you're welcome

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