Write the augmented matrix for the system of equations.12x + 7y - 8z + w = 15y + z = -6x - y - 2z = -53x - 3y + 4z = 5
A. 
B. 
C. 
D. 
Answer: C
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Find the extreme values of the function subject to the given constraint.
A. Maximum: none; minimum: 0 at 
B. Maximum: 48 at 
minimum: 0 at 
C. Maximum: 48 at 
minimum: -48 at 
D. Maximum: none; minimum: 48 at 
Fill in the blank with one of the words or phrases listed below. 
The 
of a number is that number's distance from 0 on the number line.
A. negative B. average C. positive D. absolute value
Solve the problem.The weight of a certain gas is 1
kg per cubic meter. How many cubic meters would be occupied by 28 kg of the gas?
A. 21 m3
B. 28 m3
C. 261
m3
D. 
m3
Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: 0, - 6, 5; degree 3
A. f(x) = x3 + x2 - 30x B. f(x) = x3 + x2 + x + 30 C. f(x) = x3 + x2 + 30x D. f(x) = x3 + x2 + x - 30