Write the system of linear equations represented by the augmented matrix. Use x, y, and z as the variables.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write fraction as decimal number. Use bar notation for repeating decimals.
A. 1 B. 1.5 C. 0.8 D. 1.25
Mathematics
Solve the equation.
+ 4 = 0
A. {- 
}
B. 
C. {- 16}
D. 
Mathematics
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -x3 + 
x2 + 6x - 3
A. (-2, -1) and (-1, -6.5) B. (-1, -6.5) and (2, 7) C. (-2, -1) and (1, 3.5) D. (-1, -6.5) and (1, 3.5)
Mathematics
Divide.
A. 
- 
B. 
- 8x
C. 9x3 - 
D. 
- 
Mathematics