Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
An ellipse has two foci and the sum of distances from any point on the ellipse to the foci is constant.
An ellipse can only contain one focus.
An ellipse always intersects the x-axis at two points.
All points on an ellipse are equidistant from the center.
Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.