What are the focus and directrix of the parabola with the equation y= 1/12x^2
focus: (3,0); directrix: y=-3
focus: (-3,0); directrix: y = 3
focus: (0,3); directrix: y=-3
focus: (0, -3); directrix: y = 3

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola