document.write( "Question 990450: Write an equation of a circle that is tangent to the y-axis and has its center at (-8,-7) \n" ); document.write( "
Algebra.Com's Answer #610453 by macston(5194)\"\" \"About 
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\n" ); document.write( "The distance from the center (-8,-7) to the y axis is 8,
\n" ); document.write( "so the radius is 8.
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\n" ); document.write( "\"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"
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\n" ); document.write( "(h,k) is the center. so (h,k)=(-8,-7) and r=8:
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\n" ); document.write( "\"%28x%2B8%29%5E2%2B%28y%2B7%29%5E2=8%5E2\"
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\n" ); document.write( "\"%28x%2B8%29%5E2%2B%28y%2B7%29%5E2=64\"
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