Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + y + z= 7x - y + 2z=72x + 3z=14
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Sketch the graph for the equation by plotting points.4x + 2y = 8
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.What are the possible values of x in the equation y = log (10 - x)?
A. (10, ?) B. (0, ?) C. (-?, 10) D. (-?, ?)
Mathematics
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log4(x - 3) = -3
A. 
B. 
C. 
D. 
Mathematics
Find the vertices of the ellipse.
+ 
= 1
A. (-8, 3), (4, 3)
B. (- 3
, 3), (3
, 3)
C. (-2 + 3
, 3), (-2 - 3
, 3)
D. (6, 3), (-6, 3)
Mathematics