Use the substitution-of-variable technique to solve the system analytically.
+ 
= 
- 
= 
A. 
B. {(8, 7)}
C. {(-7, -8)}
D. {(7, 8)}
Answer: D
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 
B. 
C. - 
D. Diverges
For the given graph: a) In words, describe the function shown on the graph. b) Find the slope of the graph and express it as a rate of change (be sure to include units). c) Briefly discuss the conditions under which a linear function is a realistic model for the given situation.
What will be an ideal response?
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 100°, 
cis 220°, 
cis 340°
C. 
cis 60°, 
cis 180°, 
cis 300°
D. 
cis 80°, 
cis 200°, 
cis 320°
Use the division shortcut to find the quotient.
A. 70 B. 3200 C. 60 D. 7