Find the equation for the hyperbola described.Vertices at (-3, 0) and (3, 0); focus at (3, 0)

A.  -  = 1
B.   -  = 1
C.  -  = 1
D.  -  = 1


Answer: C

Mathematics

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Evaluate or simplify the given expression.sin(2 sin-1 x)

A. x
B. 2x
C. 2x - 2x3
D. 2x 

Mathematics

Find the equation of the line of best fit from the data in the table. Round the slope and the y-intercept to the nearest hundredth.

A. y = 9.2x - 2.1 B. y= 10x - 3 C. y = 9x - 3 D. y = 9.8x - 2.6

Mathematics

Solve the problem.If u = 3i - 2j and v = -8i + 7j, find u - v.

A. 9i + 5j B. 11i - 9j C. 10i + 5j D. -5i + 5j

Mathematics

Find a general term an for the geometric sequence.a1 = - , r = 7

A. an = n-1
 + 
B. an = -  ? 7n-1
C. an = -  + (n - 1)
D. an = -  + (n - 1)

Mathematics