Evaluate.i23 ? i11
A. i
B. -i
C. 1
D. -1
Answer: D
Mathematics
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Determine whether the given point is in the solution set to the given system.(5, -4, 5)2x - 3y + 3z = 244x + 4y - 3z = -83x - 3y + 2z = 23
A. No B. Yes
Mathematics
Graph the set on a number line.(4, ?)
A. 
B. 
C. 
D. 
Mathematics
Solve the polynomial inequality by graphing.x4 - 41x2 + 400 < 0
A. (-5, -4) ? (4, 5) B. (-5, -4) ? (4, 5) C. (-5, 5) D. (-?, -4) ? (4, ?)
Mathematics
Use an inverse matrix to solve the given system of equations. -4x - 4y - z = -43 x - 4y + 5z = 34 4x + y + z = 37
A. (7, 7, 2) B. (-7, 2, 14) C. (7, 2, 7) D. No solution
Mathematics