Find the coordinates of the vertex of the parabola.y = 2x2 - 4x + 5
A. (1, 3)
B. (-1, -3)
C. (-3, -1)
D. (3, 1)
Answer: A
Mathematics
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Add or subtract as indicated. Simplify, if necessary.- 
+ 
A. - 
B. 
C. - 
D. 
Mathematics
Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (1, 0) B. (1, -2) C. (0, -1) D. empty set solution; inconsistent system
Mathematics
Solve the equation in the real number system.2x4 - 2x3 + x2 - 5x - 10 = 0
A. {-1, 2}
B. 
C. 
D. {1, -2}
Mathematics
Insert <, >, or = in the blank to make the statement true.|-8| _____ |-2|
A. < B. = C. >
Mathematics