Find the indicated roots.Square roots of 1 - i
A. 
(cos 22.5° + i sin 22.5°), 
(cos 202.5° + i sin 202.5°)
B. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
C. 
(cos 22.5° + i sin 22.5°), 
(cos 22.5° + i sin 22.5°)
D. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
Answer: D
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Plot and label the points indicated by the coordinate pairs.A(1, 5), B(2, -2)
A. 
B. 
C. 
D. 
Perform the indicated operation. Write the answer without exponents.(5.8 × 102) × (8.5 × 10-5)
A. 49.3 × 10-3 B. 0.0493 C. 49.3 × 10-10 D. 0.00493
Determine the family of angles for which the following angle belongs, sketch the angle, and then determine the angle of least positive measure, ?C, coterminal with the given angle.? = 
A. quadrantal family; ?C = 
B. quadrantal family; ?C = 2?
C. 
family; ?C = 
D. 
family; ?C = 
Perform the indicated operations. Write the resulting polynomial in standard form.(4x + 11y)(4x - 11y)
A. 16x2 + 88xy - 121y2 B. 16x2 - 121y2 C. 16x2 - 88xy - 121y2 D. 8x2 - 22y2