Find an equation for the ellipse described.Focus at (-7, 0); vertices at (±8, 0)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1


Answer: D

Mathematics

You might also like to view...

Give the rectangular coordinates for the point.(2, 270°)

A. (0, 2) B. (0, -2) C. (2, 0) D. (-2, 0)

Mathematics

Express the sum or difference as a product of sines and/or cosines.cos(4?) + cos(2?)

A. 2 sin(3?) sin ? B. 2 cos(3?) cos ? C. 2 cos(3?) sin ? D. 2 cos(3?)

Mathematics

Factor.64s3 + 1

A. (4s + 1)(16s2 - 4s + 1) B. (4s + 1)(16s2 + 1) C. (4s - 1)(16s2 + 4s + 1) D. (64s + 1)(s2 - 4s + 1)

Mathematics

Solve the following systems of linear equations using Gaussian elimination.

14x -3y + 4z = 88 7x + 4z = 47 7x - 3y + 4z = 53

Mathematics