Factor by grouping.6x2 - 15xy + 10xy - 25y2
A. (3x + 5)(2x - 5)
B. (3x - 5y)(2x - 5y)
C. (6x + 5y)(x - 5y)
D. (3x + 5y)(2x - 5y)
Answer: D
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Decide whether or not the modulo system forms a group.{0, 1}; multiplication modulo 2
A. Group B. Not a group
Use the data shown in the scatter plot to determine whether the data should be modeled by a linear function.
A. Yes, approximately linear B. Yes, exactly linear C. No, data points do not lie close to a line
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = -x2 + x - 6
A. f(x) = -(x + 1)2 - 8
vertex: (-1, -8)
B. f(x) = -(x + 
)2- 
vertex: 
C. f(x) = -(x - 1)2 - 6
vertex: (1, -6)
D. f(x) = -(x - 
)2 - 
vertex: 
Convert the number 
to the binary system.
?
__________two
Fill in the blank(s) with the appropriate word(s).