Find the equation of the parabola whose vertex and focus are shown.
A. (y - 1)2 = 4(x + 3)
B. (y - 1)2 = -4(x + 3)
C. (x - 1)2 = -4(y + 3)
D. (x - 1)2 = 4(y + 3)
Answer: C
Mathematics
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Tasmanian automobile license plates consist of four capital letters (A through Z) followed by three digits (0 through 9).How many different Tasmanian license plates are possible?
A. 264 + 103 B. 367 C. (26 × 4) + (10 × 3) D. 264 × 103 E. none of these
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Select the graph that represents the given equation.x + 2y - z = 4
A. 
B. 
C. 
D. 
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Predict the general, or nth term, an, of the sequence.
, 
, 
, 
, 
, . . .
A. 
+ n
B. 
n
C. 2
D. 
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Find the square root if it is a real number, or state that the expression is not a real number.
A. 4
B. 256
C. 
D. not a real number
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