Solve the problem.A satellite dish is shaped like a parabola. The signals that are received by the dish strike the surface of the dish and are reflected to a single point, where the receiver of the dish is located. If the dish is 8 feet across at its opening and 0.8 feet deep at its center, at what position should the receiver be placed?
A. 5 feet from the base along the axis of symmetry
B. 1.6 feet from the base along the axis of symmetry
C. 4 feet from the base along the axis of symmetry
D. 3.2 feet from the base along the axis of symmetry
Answer: A
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Factor completely. If the polynomial is prime, so state.x2 + 2xy - 24y2
A. (x + 6y)(x - 4y) B. (x - 6y)(x + y) C. (x - y)(x + 4y) D. (x - 6y)(x + 4y)
Evaluate the root.
A. 0.02 B. 0.2 C. { } D. 2
The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.12, 28, 44, 60, 76, ...
A. an = 4(4n - 1) B. an = 16n - 1 C. an = 4n - 16 D. an = 12(16)n-1
Find the center and vertices of the hyperbola represented by the equation: 
a. Center: (–3, 1), vertices: (–8, 1), (2,1) b. Center: (–3, 1), vertices: (–3, –4), (–3, 6) c. Center: (3,–1), vertices: (–2, –1), (8, –1) d. Center: (3, –1), vertices: (3, –6), (3, 4)