Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 5(cos 20° + i sin 20°), z2 = 4(cos 10° + i sin 10°)
A. 20(cos 200° + i sin 200°)
B. 9(-cos 200° - i sin 200°)
C. 9(cos 30° + i sin 30°)
D. 20(cos 30° + i sin 30°)
Answer: D
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List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting C ? B ? D
A. C ? B ? D ? A ? E ? C C ? B ? D ? E ? A ? C C ? B ? D ? A ? C ? E C ? B ? D ? C ? A ? E B. C ? B ? D ? A ? E C ? B ? D ? E ? A C. C ? B ? D ? A ? E ? C C ? B ? D ? E ? A ? C D. C ? B ? D ? E ? A
Find the prime factorization of the number.112
A. 2 ? 2 ? 2 ? 2? 7 ? 7 B. 2 ? 2 ? 2 ? 7 ? 7 C. 2 ? 2 ? 2 ? 2 ? 7 D. 2 ? 2 ? 2 ? 7
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 3x2 - 4x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
C. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
D. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
Solve the inequality and graph the solution on the real number line.
?
?
A. 
B.
C.
D.
E.
