Solve the equation for real values of the variable by factoring. Give the sum of all solutions of the equation.
?
?
?
A. 3
B. 5
C. 2
D. 7
E. 4
Answer: A
Mathematics
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What will be an ideal response?
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Solve the system by the addition method.-6x + y = 109x + 4y = -4
A. 
B. {(1, -6)}
C. 
D. 
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Find the domain.f(x) = 
A. {x|x ? -10} or (-?, -10] B. {x|x ? 10} or (-?, 10] C. {x|x ? -10} or [-10, ?) D. {x|x ? 10} or [10, ?)
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Express the sum using summation notation.
+ 
+ 
... + 
A. 
B. 
C. 
D. 
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