Find the Nonpermissible replacement for y in this expression y-7/y+9
2 answers:
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The system is
i)
ii)
The solutions to this system, are all points (x, y) for which BOTH these 2 inequalities hold.
Check the points separately:
(5, 1)
i)
True
ii)
Not True
(0, 0)
i)
True
ii)
True
(-2, -3)
i)
True
ii)
True
(2, 5)
i)
Not True
ii)
Not True
Answer: (0, 0) and (-2, -3)
i)
ii)
The solutions to this system, are all points (x, y) for which BOTH these 2 inequalities hold.
Check the points separately:
(5, 1)
i)
ii)
(0, 0)
i)
ii)
(-2, -3)
i)
ii)
(2, 5)
i)
ii)
Answer: (0, 0) and (-2, -3)