Find the vertices of the ellipse.25x2 + y2 - 200x + 375 = 0
A. (5, 4), (5, -4)
B. (5, 
), (5, -2
)
C. (4, 5), (4, -5)
D. (4, 2
), (4, -2
)
Answer: C
Mathematics
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Use a sketch to find the exact value of y.y = cos
A. 
B. 1
C. 
D. 0
Mathematics
Find the center and radius of the circle.x2 + (y - 8)2 = 49
A. Center: (-8, 0); radius: 7 B. Center: (0 , 8); radius: 49 C. Center: (8, 0); radius: 7 D. Center: (0, 8); radius: 7
Mathematics
Find the coordinates of the vertex of the parabola.y = x2 - 4x + 5
A. (1, 2) B. (1, 0) C. (2, 1) D. (0, 2)
Mathematics
Find the probability.An urn contains balls numbered 1 through 20. A ball is chosen, returned to the urn, and a second ball is chosen. What is the probability that the first and second balls will be a 7?
A. 
B. 
C. 
D. 
Mathematics