Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.w + 0; identity
A. w
B. 0 + w
C. 0
D. 1
Answer: A
Mathematics
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Solve.
x2 - 
x = -1
A. 
, - 
B. - 
C. 
, 
D. 
Mathematics
Express the number in terms of j.
A. 4j
B. -4
C. 4
D. -4j
Mathematics
Find an equation of variation for the given situation.p varies directly as q, and p = 1 when q = 
.
A. p = 
q
B. p = 15q
C. p = 14q
D. p = 16q
Mathematics
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
A. {(
+ 20, 
+ 3, z)}
B. {(
+ 20, - 
+ 3, z)}
C. {(
+ 20, - 
- 3, z)}
D. {(- 
+ 20, - 
+ 3, z)}
Mathematics