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Write an equation of the circle with center (-2, 6) and radius 7.

User Adontz
by
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1 Answer

4 votes

Answer:

( x + 2 )² + ( y - 6 )² = 49

Explanation:

→ Write the form of an equation of a circle

( x - a )² + ( y - b )² = r²

→ Substitute in the centre remembering to switch the signs

( x + 2 )² + ( y - 6 )² = r²

→ Substitute in radius

( x + 2 )² + ( y - 6 )² = 49

User Tianyang Li
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5.4k points