kenneyfamily
to which line is the graph symmetric?
x+y^2=4
a. y=x
b. xaxis
c. y=x
d. yaxis



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tamtoan
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did you try to graph that line yet?

kenneyfamily
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yes. and didnt think it was symmetric to any of those @tamtoan

tamtoan
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what line that you can fold the graph in 1/2 ? if you already graph it ?

kenneyfamily
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wait what?

tamtoan
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after you graph, look at what line that the graph can be folded in 1/2 along the line?

kenneyfamily
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xaxis?

tamtoan
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yeah there you got the answer :)