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# What is the value of y? (1) 3|x^2 4| = y 2 (2) |3 y| = 11

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What is the value of y? (1) 3|x^2 4| = y 2 (2) |3 y| = 11 [#permalink]  22 Nov 2006, 12:29
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What is the value of y?

(1) 3|x^2 â€“ 4| = y â€“ 2

(2) |3 â€“ y| = 11

Ans : C
Senior Manager
Joined: 23 Jun 2006
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c.

st2 limits y to one positive and one ngative possible values for y.
st1 tells you nothing about the exact value of y (it depends on x). but it implies y is positive.

both together tells you exactly what is the value fo y.
VP
Joined: 25 Jun 2006
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C 2.

y can be -8 or 14 from 2. but using 1, u can eliminate -8.
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