Add the given pair of complex numbers geometrically.z1 = -11 + 4i, z2 = 3
A. -14 + 4i
B. -8 + 4i
C. -14 + 7i
D. -8 + 7i
Answer: B
Mathematics
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Find the root. Assume that variables represent nonnegative values.
A. 3a
B. 81a
C. 3
D. 3a2
Mathematics
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 3, c = 4; find cot A.
A. 
B. 
C. 
D. 
Mathematics
Divide the polynomial by the monomial.
A. 6x + 9 - 
B. 36x + 54 - 
C. 6x - 2
D. 6x2 + 9x - 
Mathematics
Use the factor theorem to decide whether or not the second polynomial is a factor of the first.3x3 + 3x2 - 7x + 2; x + 2
A. No B. Yes
Mathematics