Multiply the polynomials. Express the answer as a single polynomial in standard form.(7x + 2)(7x - 2)
A. 49x2 + 28x - 4
B. 49x2 - 28x - 4
C. 49x2 - 4
D. x2 - 4
Answer: C
Mathematics
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Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? - 
A. 
B. - 
C. - 
D. - 
Mathematics
Find a general term an for the geometric sequence.The first five terms of the sequence are 4, - 2, 1, - 
, 
.
A. an = 6 
n-1
B. an = 4 
n-1
C. an = 
n-1
D. an = 4 
n-1
Mathematics
Solve the inequality.Fantastic Flags, Inc., finds that the cost to make x flags is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of flags, x, that must be sold for the company to show a profit?
A. 4789 B. 842,688 C. 76,608 D. 436
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.2
- 7
A. -37
B. -33
C. -5
D. 33
Mathematics