Provide an appropriate response.For the system -6x + 8y + 20z = 8 -3x + 5y + 4z = -1 2x + 16y + 16z = 7write the determinant Dz.(Do not evaluate the determinant.)
A.
det 
B.
det 
C.
det 
D.
det 
Answer: C
Mathematics
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Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics
Simplify. Assume that variables can represent any real number.
A. 5
k2
q4
B. 5
k3q4
C. 5k3q4 
D. 5
k2
q8
Mathematics
Match the following reasons to complete the proof. Reasons may be used more than once.
Mathematics
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.10y2 + 1 = 
y
A. y = - 
or y = - 
B. y = 
or y = 
C. y = 4 or y = 
D. y = 
or y = 
Mathematics