Find the nonreal complex solutions of the equation.x2 + x + 2 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Perform the indicated operation.(9x9 + 8x6 - 2x3 + 11) - (4x9 - 8x4 + 11x3 - 2)
A. 5x9 + 8x6 + 8x4 - 13x3 + 13 B. -5x9 + 8x6 + 8x4 - 13x3 + 13 C. -5x9 + 8x6 - 8x4 - 13x3 + 13 D. 5x9 + 8x6 - 8x4 - 13x3 + 13
Mathematics
Identify the figure as a line, a line segment, or a ray and name it.
A. line 
B. line segment 
C. ray 
D. line segment 
Mathematics
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)
A. {(5, -2, -5)} B. {(2, 5, 2)} C. {(6, 0, 5)} D. {(5, 2, 5)}
Mathematics
Write the expression in the standard form a + bi.i10
A. -i B. i C. 1 D. -1
Mathematics