Given -6i is a root, determine all other roots of f(x) = x3 + 2x2 + 36x + 72.
?
A. x = -2, ±6
B. x = -2, 6i
C. x = -6, ±2i
D. x = ±2, 6i
E. x = ±2, 6
Answer: B
Mathematics
You might also like to view...
Perform the indicated operation.(5x3 + 9x5 - 3 - 3x4) - (-2 - 5x4 + 6x5 + 9x3)
A. 15x5 - 8x4 + 14x3 - 5 B. 3x5 - 8x4 + 14x3 - 5 C. 15x5 - 8x4 + 14x3 - 1 D. 3x5 + 2x4 - 4x3 - 1
Mathematics
Consider the normal distribution given below and assume that P is a point of inflection of the curve.
Find the median M of the distribution.
A. 50 m B. 34 m C. 81 m D. 47 m E. 115 m
Mathematics
Factor completely.r4 - 2r2t2 + t4
A. (r - t)(r + t)(r2 + t2) B. (r - t)(r + t) C. (r2 - t2)2 D. (r - t)2(r + t)2
Mathematics
Find the area.
A. 1058 cm2 B. 1495 cm2 C. 1173 cm2 D. 747.5 cm2
Mathematics