Use the distributive property to simplify.2x(x + 7y + 5z)
A. 2x2 + 14xy + 10xz
B. 2x + 14y + 10z
C. 2x2 + 7y + 5z
D. 2x2 - 14xy - 10xz
Answer: A
Mathematics
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Simplify the expression.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the polynomial equation in the complex numbers. x4 - 6x3 + 29x2 - 26x - 232 = 0
A. {-2, 4, 2 + 5i, 2 - 5i}
B. {2, -4, 2 + 
, 2 - 
}
C. {-2, 4, 2 + 6i, 2 - 6i}
D. {2, -4, 2 + 5i, 2 - 5i}
Mathematics
Find the domain of the function.f(x) = 
A. (-?, ?) B. (-?, 25) ? (25, ?) C. (25, ?) D. (-?, -5) ? (-5, 5) ? (5, ?)
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = (x + 5)2 - 4
A. (5, 4) B. (-5, -4) C. (5, -4) D. (-5, 4)
Mathematics