Solve the equation by completing the square.-x2 + 2x = -1
A. {1 ± 
}
B. 
C. {-1 ± 
}
D. {1, 2}
Answer: A
Mathematics
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Find the indicated term for the geometric sequence with the first term a1 and common ratio r.Find a6 when a1 = 2, r = -3
A. a6 = -2187 B. a6 = -486 C. a6 = -36 D. a6 = -54
Mathematics
Answer the following statement(s) true (T) or false (F)
A useful strategy for maintaining high levels of cognitive demand for mathematical tasks is to establish funneling patterns of discourse in one’s classroom.
Mathematics
Use these sets to find the following. Identify any disjoint sets.Let U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, M = {5, 7, 9, 11}, 
and 
N'
A. Q, or {5, 7, 9, 11, 13, 15} B. {6, 8, 10, 12, 14} C. {7, 9, 11, 13, 15} D. M, or {5, 7, 9, 11}
Mathematics
Match the numerical model to the corresponding model.
A. 
B. 
C. 
D. 
Mathematics