Solve the system of equations by Gauss-Jordan elimination.
A. 
B. 
C. 
D. ?
Answer: B
Mathematics
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Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).x = -8y2 - 4y + 2
A. To the left; wider B. To the left; narrower C. To the right; wider D. To the right; narrower
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (-x)2
A. 
B. 
C. 
D. 
Mathematics
Decide if the statement is true or false.-17 ? -(-20)
A. False B. True
Mathematics
Solve by completing the square: 
A. 
B. 5, 4
C. 
D. none of these
Mathematics