Find the center, foci, and vertices of the ellipse.3x2 + 4y2 - 36x + 24y + 132 = 0
A. 
+ 
= 1
center: (-6, 3); foci: (-5, 3), (-7, 3); vertices: (-8, 3), (-4, 3)
B. 
+ 
= 1
center: (6, -3); foci: (7, -3), (5, -3); vertices: (8, -3), (4, -3)
C. 
+ 
= 1
center: (-6, 3); foci: (-5, 3), (-7, 3); vertices: (-8, 3), (-4, 3)
D. 
+ 
= 1
center: (6, -3); foci: (7, -3), (5, -3); vertices: (8, -3), (4, -3)
Answer: B
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Determine graphically the x-value when y = 6 in the given equation.3x - 2y = 6
A. -2;
B. 6;
C. -6;
D. 2;
Find the circumference of the circle. Then use the approximation 3.14 for ? and approximate the circumference.
A. 30.144 yd B. 29.184 yd C. 58.368 yd D. 60.288 yd
Express the unit vector as indicated.Express the unit vector u = (cos ?)i + (sin ?)j in the same direction as the vector 4i + 3j.
A. 
i + 
j
B. 20i + 15j
C. 
i + 
j
D. 
i + 
j
Find the area A. Round the answer to three decimal places.
A. 10.053 cm2 B. 3.2 cm2 C. 1.257 cm2 D. 5.027 cm2