Find the vertex and axis of symmetry of the graph of the function.f(x) = 3x2 - 12x
A. (-2, 0); x = -2
B. (-2, -12); x = -2
C. (2, 0); x = 2
D. (2, -12); x = 2
Answer: D
Mathematics
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Factor completely.x3y - 4x2y2 - 12xy3
A. y(x + 2y)(xy - 6y2) B. x(xy + 2y2)(x - 6y) C. xy(x2 - 4x - 12y2) D. xy(x + 2y)(x - 6y)
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For the pair of similar figures, find the length of the unknown side.
A. 10 B. 7 C. 14 D. 21
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Determine if the equation represents a function.x = y2
A. Yes B. No
Mathematics
Solve the equation.
+ 
= -1
A. 0
B. 
C. 1
D. ?
Mathematics