Find the vertex, the focus, and the directrix of the parabola.(y + 2)2 = 20(x + 3)
A. V: (3, 2); F: (8, 2); D: x = -2
B. V: (-3, -2); F: (2, -2) ; D: x = -8
C. V: (-3, -2); F: (-8, -2); D: x = 2
D. V: (-2, -3); F: (3, -3); D: x = -7
Answer: B
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Provide an appropriate response. A two-liter cola costs $1.19 and 6 cans each containing 16 oz cost $1.59. Which is the better buy and by how much?
A. The 6 cans of cola cost $0.04 less per liter than the two-liter cola. B. The 6 cans of cola cost $0.002 less per ounce than the two-liter cola. C. The two-liter cola costs $0.01 less per liter than the 6 cans of cola. D. The two-liter cola costs $0.20 cents less than the 6 cans of cola.
Match the equation with the correct graph.(x + 6)2 + (y - 4)2 = 4
A. 
B. 
C. 
D. 
Solve the equation.x2 + 2x - 15 = 0
A. -5, -3 B. -3, 5 C. 3, 5 D. -5, 3
Factor completely. If prime, so state.216x3 + 1
A. (6x + 1)(36x2 - 6x + 1) B. (6x + 1)(36x2 + 6x + 1) C. (6x + 1)(36x2 + 1) D. (6x + 1)(36x2 - 6x - 1)