Factor completely. If a polynomial cannot be factored, say it is prime.x2 + x - 42
A. (x - 7)(x + 6)
B. (x + 1)(x - 42)
C. prime
D. (x - 6)(x + 7)
Answer: D
Mathematics
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Write out the first five terms of the sequence.an = n2 - n
A. 1, 4, 9, 16, 25 B. 2, 6, 12, 20, 30 C. 0, 3, 8, 15, 24 D. 0, 2, 6, 12, 20
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Find the numerical value of the expression for the given value.
, x = -3
A. 
B. 
C. - 
D. - 
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Two cards are drawn (without replacement) from an ordinary deck of 52 cards. Find the probability that both cards are aces.
A. 
B. 
C. 
D. 
E. none of these
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Use a graphing utility to graph the parametric equation.x(t) = t2 + 2, y(t) = 2t - 1, -3 ? t ? 3
A. 
B. 
C. 
D. 
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