Algebra 2ChallengeCircles & Lines ShareCircles & Lines · Challenge problemWhat is the distance between the foci of the hyperbola x29−y216=1\dfrac{x^2}{9} - \dfrac{y^2}{16} = 19x2−16y2=1?A888B666C272\sqrt{7}27D111111E101010Check Show answer Walk through it step by step Practice more like this Review this concept