Solve the equation by the method of your choice. Simplify solutions, if possible.3x2 + 12x = - 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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For the following question(s), refer to the tournament digraph below. The vertices of the digraph represent five tennis players in a round-robin tournament. An arc XY represents the fact that X defeated Y in the tournament.
Which player came in last in the tournament?
A. A B. B C. C D. D E. E
Mathematics
Solve each equation for x.
 FIGURE 1.png)
Mathematics
Solve the system of linear equations. x - 7y = 82x - 7y = 9
A. (2, 1) B. No solution C. (1, -1) D. (2, -2)
Mathematics
Choose the graph of the equation.z2- y2- x2= 1
A. 
B. 
C. 
D. 
Mathematics