Use the Gauss-Jordan method to solve the system of equations. x - y + 3z = -8 x + 5y + z = 405x + y + 13z = 10
A. (0, 8, 0)
B. (8, 8, 0)
C. (8, 0, 8)
D. No solution
Answer: D
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Divide.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
+ 
i
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.3x + 2y + z = 53x - 5y - z = 344x + y + 3z = 5
A. (5, -4, -3) B. (-4, -3, 5) C. (5, -3, -4) D. No solution
Use the given zero to find all zeros of the function.f(x) = x3 + 5x2 - 12x + 14; zero: 1 + i
A. 1 - i, 7i B. 1 - i, 7 C. -7, 7 D. 1 - i, -7
You have just introduced a new computer to the market. You predict that you will eventually sell 99,000 computers and that your monthly rate of sales will be 17% of the difference between the saturation value and the total number you have sold up to that point. Solve the differential equation for your total sales s (as a function of the month). Hint: What are your total sales at the moment when you first introduce the computer? ?
A. 
B. ?
C. ?
D. ?
E. ?