Solve the system by the best method. Use set notation to express the solution set.
A. {(-2, 5)}
B. no solution; ?
C. {(2, 5)}
D. {(2, -5)}
Answer: A
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Find an equation for the ellipse described.Center at (0, 0); focus at (2, 0); vertex at (4, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Refer to the figure in following problems. Answer True or False.
1. AB\\CD
2. m? = m?3
3. m?1+m?3 = m?ADC
4. AB = CD
5. m?2 = 40°
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.
- 
= 1
A. center at (-4, 2)
transverse axis is parallel to y-axis
vertices at (-4, -1) and (-4, 5)
foci at (-4, 2 - 
) and (-4, 2 + 
)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
B. center at (-4, 2)
transverse axis is parallel to x-axis
vertices at (-7, 2) and (-1, 2)
foci at (-4 - 
, 2) and (-4 + 
, 2)
asymptotes of y - 2 = - 
(x + 4) and y - 2 = 
(x + 4)
C. center at (-4, 2)
transverse axis is parallel to x-axis
vertices at (-9, 2) and (1, 2)
foci at (-4 - 
, 2) and (-4 + 
, 2)
asymptotes of y - 2 = - 
(x + 4) and y - 2 = 
(x + 4)
D. center at (2, -4)
transverse axis is parallel to x-axis
vertices at (-1, -4) and (5, -4)
foci at (2 - 
, -4) and (2 + 
, -4)
asymptotes of y + 4 = - 
(x - 2) and y + 4 = 
(x - 2)
Find the integral using an appropriate trigonometric substitution. Select the correct answer.
