Which ordered pair is a solution of the equation?

1 answer:

3 0

It will be D. Neither, because when you plug in 5 for x and 4 for y, the left side will equal 0, while the right side equals 7(5-6) = 7(-1) = -7, which does not equal 0 on the left side. If you use 6 for x and 5 for y, the left side will be 1 (5-4) and the right side will equal 0, 7(6-6) = 7(0) = 0, which does not equal to 1

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Step one:
ALWAYS set equation equal to zero, which in this case has already been done for us.

Step two:
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The solve for what is underneath the square root ONLY.
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<span>the line y = x</span>

Below is a graph where you can see the symmetry of xy = 4 with respect to the oblique axis x = y. This axis cuts the curves just at its apex

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