Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z = 7 x - y + 2z = 7
A. {(4, 1, 2)}
B. {(- 
z + 7, 
z, z)}
C. {(8, -3, 2)}
D. {(-3z + 14, 2z - 7, z)}
Answer: B
Mathematics
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Answer the following statement(s) true (T) or false (F)
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Add the polynomials. Express your answer in standard form.(9y4 - 6y2) + (8y4 - 5y2)
A. 6y6 B. 17y4 - 11y2 C. 17y8 - 11y4 D. 6y12
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Evaluate the expression for the given replacement values.(x + 4y)2 for x = 4, y = 3
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