Find the vertices of the ellipse.9x2 - 90x + 25y2 + 100y + 100 = 0
A. (2, -2), (8, -2)
B. (0, -2), (10, -2)
C. (-2, 0), (-2, 10)
D. (1, -2), (9, -2)
Answer: B
Mathematics
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Find the eccentricity of the hyperbola.16y2 - 9x2 = 144
A. 
B. 
C. 
D. 
Mathematics
Use the square root property to solve the equation.2x2 = 26
A. {14}
B. {-13, 13}
C. {13}
D. {-
, 
}
Mathematics
Write the equation of the line with the given slope and y-intercept.slope -7;y-intercept (0, 2)
A. y = 7x + 2 B. y = 2x - 7 C. y = -7x - 2 D. y = -7x + 2
Mathematics
Add.47 + (-49)
A. 2 B. 96 C. -96 D. -2
Mathematics