Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi.(-5
+ 5
i)3
A. 500
+ 500
i
B. 5
+ 5
i
C. 15
+ 15
i
D. 50
+ 50
i
Answer: A
Mathematics
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [7, ?)
B. (-?, 0] ? [5, 7)
C. (-?, 5] ? [7, ?)
D. [0, 5] ? [7, ?)
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x + 
Mathematics
Solve.x3 + 10x2 + 23x ? 0
A. (-?, -5 - 
] ? [0, ? ]
B. [-5 - 
, ?)
C. [-5 - 
, -5 + 
] ? [0, ?)
D. (-?, -5 - 
] ? [-5 + 
, ?)
Mathematics
Find the projection of u onto v.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics