Determine if the given polar coordinates represent the same point.(8, ?/3), (-8, -2?/3)
A. No
B. Yes
Answer: B
Mathematics
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Multiply the polynomials.(x + y + 9)2
A. x2 + y2 + 81 B. x2 + y2 + 18x + 18y + 81 C. x2 + 2xy + y2 + 18x + 18y + 81 D. x2 + 2xy + y2 + 81
Mathematics
Find the cube root.
A. -8 B. not a real number C. 22.627 D. 11.314
Mathematics
Write the number in trigonometric form. Let 0° ? ? < 360°.5 + 5i
A. 5
(cos 45° + i sin 45°)
B. 5
(cos 225° + i sin 225°)
C. 5
(cos 135° + i sin 135°)
D. 5
(cos 315° + i sin 315°)
Mathematics
Solve the problem.Jack borrowed $550 from his brother. Jack's brother wants 6 monthly payments of $110 to repay the loan. How much extra is Jack's brother charging for the loan?
A. $110 B. $0 C. $760 D. $660
Mathematics