Evaluate the radical expressions or indicate that the root is not a real number.
A. 64
B. 4
C. -4
D. Not a real number
Answer: B
Mathematics
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Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. - 
C. - 
D. 
Mathematics
Factor by any method.y2 - 81
A. (y - 9)(y - 9) B. (y + 81)(y - 81) C. (y + 9)(y - 9) D. (y2 + 9)(y2 - 9)
Mathematics
One solution of a polynomial equation is given. Use synthetic division to find any remaining solutions.4x3 + 5x2 - 23x - 6 = 0; -3
A. 3, -2, 1
B. 2, - 
C. -2, 
D. 2, -1
Mathematics
Find three cube roots for the complex number. Leave your answers in trigonometric form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics