Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
6x - 6y = -3} or {
-12x + 12y = 6}
B. {(-18, 18)}
C. {(18, -18)}
D. no solution; ?
Answer: A
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Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.
- 
= 1
A. center at (0, 0)
transverse axis is x-axis
vertices at (-7, 0) and (7, 0)
foci at (-11, 0) and (11, 0)
asymptotes of y = - 
and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -7) and (0, 7)
foci at (- 
, 0) and (
, 0)
asymptotes of y = - 
and y = 
C. center at (0, 0)
transverse axis is x-axis
vertices at (-7, 0) and (7, 0)
foci at (- 
, 0) and (
, 0)
asymptotes of y = - 
and y = 
D. center at (0, 0)
transverse axis is x-axis
vertices at (-11, 0) and (11, 0)
foci at (- 
, 0) and (
, 0)
asymptotes of y = - 
and y = 
For the given angle, name the quadrant in which the terminal side lies.
A. III B. II C. I D. IV
Solve the problem.A new health food store runs an advertising campaign. Daily sales (in dollars) after x days of advertising are given by ?S(x) = 
By sketching the graph of this function, answer the following questions. What is the horizontal asymptote of the graph? What does this suggest about future sales? Explain your reasoning. If the advertising campaign costs $3200 per day, at what point should it be discontinued? Why?
What will be an ideal response?
Graph the hyperbola.36(x + 1)2 - 16(y - 1)2 = 576
A. 
B. 
C. 
D. 