kəmpˈɛɹɪŋ ðiːz fˈɔːɹmjʊlˌiː ʃˈoʊz ðæt ˈiː zˈiəɹoʊ kˌɔːɹɪspˈɑːndz tʊ ɐn ɪlˈɪps, ˈiː ˈiːkwəlz zˈiəɹoʊ kˌɔːɹɪspˈɑːndz tʊ ɐ pɚɹˈæbələ, ænd ˈiː zˈiəɹoʊ kˌɔːɹɪspˈɑːndz tʊ ɐ haɪpˈɜːbələ.
Comparing these formulae shows that E < 0 corresponds to an ellipse, E = 0 corresponds to a parabola, and E > 0 corresponds to a hyperbola.