Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = -8x - 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Mathematics
Find the value of s in the interval [0, ?/2] that makes the statement true. Round to four decimal places.cot s = 0.6921
A. 0.9654 B. 0.3178 C. 4.1070 D. 0.7470
Mathematics
Determine whether the two matrices are inverses of each other by computing their product.
and 
A. No B. Yes
Mathematics
Solve. Check for extraneous solutions.
- 
= 3
A. {-2} B. {3, 8} C. {2} D. {2, 38}
Mathematics