Solve the equation by completing the square.x2 + 5x - 5 = 0
A. 
B. {-5 - 3
, -5 + 3
}
C. 
D. 
Answer: C
Mathematics
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. x
B. 4x
C. 4x
D. 4x
Mathematics
Verify the identity.cos2 
= 
What will be an ideal response?
Mathematics
Evaluate the improper integral whenever it is convergent. If it is divergent, state this. 
A. 
B. 0
C. divergent
D. 1
E. 
Mathematics
Evaluate the expression.2x2yz for x = -2, y = -2, and z = 3
A. 48 B. -24 C. -48 D. 24
Mathematics