Find the real solutions of the equation by factoring.15x3 + 90x2 + 120x = 0
A. {0, 4, 2}
B. 
C. {-4, -2}
D. {0, -4, -2}
Answer: D
Mathematics
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Determine the truth value for each simple statement. Then, using the truth values, give the truth value of the compound statement.3 + 1 = 11 if and only if 9 = 15.
A. False B. True
Mathematics
Solve the system of nonlinear equations.x2 + y2 = 13x + y = -5
A. (-2, -3), (-3, -2) B. (2, 3), (3, 2) C. (2, -3), (3, -2) D. (-2, 3), (-3, 2)
Mathematics
The given set is a basis for a subspace W. Use the Gram-Schmidt process to produce an orthogonal basis for W.Let x1 = 
, x2 = 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 
+ 
+ 
A. 16
+ 17x
B. 160
+ 17x
C. 
xy + 
+ 17x
D. 16
+ 
+ 
Mathematics