- = 1  --->

 =   --->

y = +/- 





Plots y =  (red) and y =  (green)

 ------ Multiplying by LCD, 4

The COEFFICIENTS on the 2nd degree variables are DIFFERENT, and the signs on them (+ & -) are different also. Therefore, this is a HYPERBOLA.

Since the x term is NEGATIVE, this HYPERBOLA OPENS UP and DOWN (vertically). 

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