Find the common difference for the arithmetic sequence.2, 1, 0, -1, ...
A. -1
B. -2.6
C. -3
D. -2
Answer: A
Mathematics
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Use logic to solve the problem.Why are 1989 pennies worth almost twenty dollars?
What will be an ideal response?
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Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d
, then d
or d
.
A. True B. False
Mathematics
Solve the equation. Express radicals in simplest form.6x2 = -4x - 11
A. 
B. 
C. 
D. ?
Mathematics
Find the first six terms of the sequence.a1 = -3, an = 4 ? an-1
A. 0, 4, -12, -8, -4, 0 B. -3, -12, -48, -192, -768, -3072 C. -3, -12, -8, -4, 0, 4 D. -12, -48, -192, -768, -3072, -12,288
Mathematics