Find the vertices of the hyperbola.
- 
= 1
A. (-9, -2) and (1, -2)
B. (4, 6) and (4, -2)
C. (-1, 2) and (9, 2)
D. (-4, 2) and (-4, -6)
Answer: A
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.13
- 5
A. 8
B. 13
- 5
C. 12
D. -12
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Write a slope-intercept equation for a line with the given characteristics.m = -4; passes through (-7, 0)
A. y = 7x - 4 B. y = 4x - 7 C. y = -7x - 4 D. y = -4x - 28
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Subtract.844,509 - 425,768
A. 418,731 B. 418,641 C. 418,741 D. 418,841
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In isosceles triangle 
, XY = YZ = 10, and XZ = 16. Where C is the centroid of , find the distance from C to side 
of the triangle.
A. 2 B. 2.5 C. 3 D. 4
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