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Senior Manager
Joined: 30 May 2005
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13 Jun 2005, 16:34
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Hello
Plz have a look to the attachement thanks

which of the following is true ?
(A) x = y = z
(B) y < z < x
(C) z < x < y
(D) y < x and x = z
(E) x < y and x = z
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File comment: the full questions
exerciseets 7.doc [17.5 KiB]

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Joined: 19 Aug 2004
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13 Jun 2005, 16:57
x = (0.08)^2, y = 1/x, and z = (1- 0.08)^2 - 1.

So, you can see that x is a very small but positive number and z is a negative number. So, z < x.

Solving for y will give us 100^2/8^2, which is a large positive number.

So, z < x < y and I will go with choice C.
[#permalink] 13 Jun 2005, 16:57
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