Solve the equation using the quadratic formula.(2x - 1)(x + 1) = 6
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine if the equation is true or false.cos 
= cos 
A. True B. False
Mathematics
Specify the set by roster. ? {Counting numbers containing only 4s.} ?
A. 41, 42, 43, 44, ... B. 44, 444, 4444, 44444, ... C. 4, 444, 44444, 4444444, ... D. 4, 44, 444, 4444, ... E. 4, 14, 24, 34, 44, ...
Mathematics
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the product.
3
A. - 
B. -8
C. 
D. 8
Mathematics