Find an equation for the hyperbola described.Vertices at (±8, 0); foci at (±9, 0)

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


Answer: C

Mathematics

You might also like to view...

Solve the differential equation.y' + y = y2

A.
B. 1 + Cex
C. 1 - Ce-x
D.

Mathematics

Write the fraction as a decimal. If necessary, use repeating decimal notation.

A. 0.13
B. 0.
C. 0.
D. 0.1

Mathematics

Solve the problem.How long will it take for an investment to triple in value if it earns 11.5% compounded continuously? Round your answer to three decimal places.

A. 4.777 yr B. 6.027 yr C. 9.553 yr D. 10.024 yr

Mathematics

Find the inverse of the function.f(x) = - 

A. f-1(x) = - 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = -5x

Mathematics