Dylan has a fish tank at home. He knows its height, h, is one inch less than twice the width, w, and the length, l, of the fish
1 answer:
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Answer:
(2,√21)
Step-by-step explanation:
The circle centered at the origin has equation:
Any point that satisfies this equation lie on this circle.
When x=2, we substitute and solve for y.
Take square root to get:
Therefore (2,-√21) and (2,√21) are on this circle.
From the options, (2,√21) is the correct answer