Find an for the given geometric sequence.a2 = -10, r = -2
A. an = 5(-2)n - 1
B. an = -10(-2)n - 1
C. an = 5(-2n)
D. an = 5(-2)n
Answer: A
Mathematics
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List all the factors of the number.56
A. 1, 2, 4, 7, 8, 14, 28, 56 B. 1, 2, 4, 7, 8, 14, 18, 28, 56 C. 2, 4, 7, 8, 14, 28 D. 1, 2, 3, 4, 7, 8, 14, 18, 28, 56
Mathematics
Simplify the expression.(x + 8)(x - 8)(4x + 2)
A. 4x3 + 2x2 + 256x + 128 B. 4x3 + 66x2 + 288x + 128 C. 4x3 - 62x2 + 224x + 128 D. 4x3 + 2x2 - 256x - 128
Mathematics
Simplify. Write the answer using positive exponents only.
-4
A. 
B. 
C. 
D. 
Mathematics
Draw the graph of the equation.y = 
A. 
B. 
C. 
D. 
Mathematics