Simplify.
A. 13
B. 84
C. 14
D. Not a real number
Answer: A
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Solve the system of equations by using elimination by addition.
A. (-4, -1) B. (4, 0) C. Inconsistent D. (-5, 0)
The problem tells how many units and in what direction the graph of the given equation is to be shifted. Give an equation for the shifted graph. Then sketch the original graph with a dashed line and the shifted graph with a solid line.y = x3
Down 5, left 1
A. y - 5 = (x - 1)3
B. y - 5 = (x + 1)3
C. y + 5 = (x + 1)3
D. y + 5 = (x - 1)3
Write the conjugate 
of the complex number z. Then find z
.z = 
+ 4i
A. 
= 
- 4i, z
= 26
B. 
= 
- 4i, z
= 21
C. 
= 
- 4i, z
= 11
D. 
= 
- 4i, z
= -11
Fill in the blank with one of the words or phrases listed below. 
A combination of operations on variables and numbers is called a(n) 
.
A. equation B. algebraic expression C. evaluating the expression D. addition