Precalculus
x24−y225=1\frac{x^2}{4}-\frac{y^2}{25}=14x2−25y2=1
x225−y24=1\frac{x^2}{25}-\frac{y^2}{4}=125x2−4y2=1
x24+y225=1\frac{x^2}{4}+\frac{y^2}{25}=14x2+25y2=1
x225+y24=1\frac{x^2}{25}+\frac{y^2}{4}=125x2+4y2=1