Write the expression in lowest terms.
A. x2 - 4x + 2
B. x2 + 2x + 4
C. x2 + 4
D. x2 - 2
Answer: B
Mathematics
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Evaluate. Assume that all variables represent positive numbers. |4.1|
A. 0 B. 4.1 C. 8.2 D. -4.1
Mathematics
Find the unit vector in the same direction as the given vector.v = -2j
A. u = -j
B. u = 4j
C. u = - 
j
D. u = -2j
Mathematics
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 2
A. 8
B. 
C. 
D. 
Mathematics
Write the form of the partial fraction decomposition of the rational expression. It is not necessary to solve for the constants.
A. 
+ 
+ 
+ 
B. 
+ 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics