Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the factorial expression.
A. 9
B. 1
C. 9!
D. 
Mathematics
Use the imaginary unit to write the expression.- 
A. 2
B. -2
C. -2i
D. 2i
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.-2, 3, 8, 13, 18, . . .
A. an = 5n - 8 B. an = 5n - 7 C. an = 7n - 7 D. an = 5n + 7
Mathematics
Solve the problem.Find the measure of an interior angle of the regular polygon.
A. 108° B. 135° C. 180° D. 120°
Mathematics