Solve the equation by completing the square.(x + 4)(x - 1) = 6
A. {-5, 2}
B. {-5 ± 
}
C. {2 ± 
}
D. {-2, 5}
Answer: A
Mathematics
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Suppose f is a linear function and that 
, and 
. Then the slope of f is positive.
Answer the following statement true (T) or false (F)
Mathematics
Solve the problem.The number of vertices in a tree with 49 edges is
A. 50. B. 249. C. 49. D. 48. E. none of these
Mathematics
Insert the symbol < or > to make the statement true.0 
-8
A. 0 > -8 B. 0 < -8
Mathematics
Tell whether the statement is true or false.Let A = {5, 6, 7, 8, 9, 10}, B = {7, 9, 11}, C = {5, 6, 8, 10}, D = {5, 10}, and 
C ? A
A. True B. False
Mathematics