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Math Help???????

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1 Answer

Stack the two equations and add:
 
3x2 + 4y2 = 9
3x2 -  4y2 = 9
 
6x2          = 18, so x2 = 3 and x = ±√3
 
plugging this x value into either of the other equations yields y = 0, so there are two solutions, 
 
(-√3, 0) and (+√3, 0)
 
Hope this helps!