mpruitt99 mpruitt99

22-06-2017
Mathematics

contestada

which graph shows inequality (y^2/2^2)-(x^2/2^2)>=1?

which graph shows inequality y222x222gt1 class=

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Аноним Аноним

03-07-2017

The correct graph is D.

Explanation:
Write the inequality as follows:
[tex] \frac{ y^{2} }{4} \geq (1+ \frac{ x^{2} }{4} )[/tex]

Then test values of x.
x=0: y=4 => y=+/- 2
x=1: y=5 => y= +/- 2.24

Only graph D behaves in this fashion.

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