Find the real or imaginary solutions by completing the square.z2 + 12z + 25 = 0
A. {6 + 
}
B. {-12 + 
}
C. {6 ± 
}
D. {-6 ± 
}
Answer: D
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Write the decimal using the indicated form.6.000634; expanded exponential form
A. 6 ? 101 + 6 ? 10-1 + 3 ? 10-2 + 4 ? 10-3 B. 6 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 6 ? 10-4 + 3 ? 10-5 + 4 ? 10-6 C. 6 ? 100 + 6 ? 10-1 + 3 ? 10-2 + 4 ? 10-3 D. 6 ? 10-1 + 0 ? 101 + 0 ? 102 + 0 ? 103 + 6 ? 104 + 3 ? 105 + 4 ? 106
Write the sum or difference as a product containing only sines and/or cosines.cos(6?) - cos(2?)
A. 2 cos(4?) cos(2?) B. 2 cos(2?) C. -2 cos(4?) sin(2?) D. -2 sin(4?) sin(2?)
Solve the inequality and graph the solution set.
? 20
A. -18 ? x ? 22 ; [-18, 22]
B. x ? -18 ; (-?, -18]
C. x ? -18 or x ? 22 ; (-?, -18] ? [22, ?)
D. x ? 22 ; (-?, 22]
Solve.On an architect's blueprint, 1 inch corresponds to 6 feet. If an exterior wall is 
long, find how long the blueprint measurement should be. Write answer as a mixed number if necessary.
A. 1
in.
B. 5
in.
C. 48 in.
D. 16 in.