document.write( "Question 915363: 1. The points A(-3,5) and B(2,4) are on a circle whose center is at O(1,c).
\n" ); document.write( "(i) Find two expressions for the radius of this circle.
\n" ); document.write( "(ii) Now find the exact value c. [Hint: Both points are the same distance from O.]
\n" ); document.write( "(iii) Write the equation of this circle.
\n" ); document.write( "(iv) Find any x- or y-intercepts of this circle. Explain algebraically your steps, and write a complete sentence explanation about the intercepts. Discuss both x and y!
\n" ); document.write( "(v) Now sketch this circle on graph paper. Label the points A, B, O and those you found in (iv), on your sketch.
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Algebra.Com's Answer #555557 by ewatrrr(24785)\"\" \"About 
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A(-3,5)
\n" ); document.write( "O(1, c)
\n" ); document.write( ".......
\n" ); document.write( " B(2,4)
\n" ); document.write( "O(1, c)
\n" ); document.write( "...Distance Equal
\n" ); document.write( "16 + (5-c)^2 = 1 + (4-c)^2
\n" ); document.write( "16 + 25 - 10c + C^2 = 1 + 14 -8c + c^2
\n" ); document.write( "26 = 2c
\n" ); document.write( "13 = c
\n" ); document.write( ".........
\n" ); document.write( " B(2,4)
\n" ); document.write( "O(1, 13) r = sqrt( 1 + 81) = sqrt(82)
\n" ); document.write( "\"%28x-1%29%5E2+%2B+%28y+-+13%29%5E2+=+82\" y-intercept (0,22), x-intercept: none
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