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PRE CAL PARABOLAS
Quiz by B23 Yap, Paul Mark M.
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- Q1
The set of all points (x, y) in a plane that are equidistant from a fixed line, the directrix, and a fixed point, the focus, not on the line.
Parabola
Circle
Hyperbola
Ellipse
30s - Q2
Find the standard form of the equation of the parabola with vertex at the origin and focus (2, 0)
30s - Q3
Find the standard form of the equation of the parabola with vertex (2, 1) and focus (2, 4).
30s - Q430s
- Q5
Write an equation of the parabola with vertical axis of symmetry, vertex at the point (2, 3), and passing through the point (4, 5).
30s - Q630s
- Q730s
- Q830s
- Q930s
- Q10
Write the standard equation of a parabola with a focus at (-3,-2) and a directrix at x = 1
30s - Q1130s
- Q1230s
- Q13
A cable suspended between two poles which are 200 ft apart has a sag of 50 ft. If the cable hangs in a form of a parabola, find its equation with the origin at its lowest point.
30s - Q14
A searchlight has a parabolic reflector that forms a “bowl,” which is 12 in. wide from rim to rim and 8 in. deep, as shown in the figure. If the filament of the light bulb is located at the focus, how far from the vertex of the reflector is it in inches?
30s - Q15
Water issuing from the end of a horizontal pipe 6 meters above the ground, forms a parabolic curve, the vertex being at the end of the pipe. At a point 2 meters below the line of the pipe, the flow of water has curved outward 3 meters beyond the vertical line through the end of the pipe. How far beyond this vertical line will the water strike the ground? Approximate the answer.
3.3 m
6.3 m
7.1 m
5.2 m
5.4 m
2.4 m
30s