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anonymous

  • one year ago

Which is an equation of a circle with center (-5, -7) that passes through the point (0, 0)? (x - 5)2 + (y - 7)2 = 74 (x - 5)2 + (y - 7)2 = 37 (x + 5)2 + (y + 7)2 = 74 (x + 5)2 + (y + 7)2 = 37 Please help!!!!!!!

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  1. campbell_st
    • one year ago
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    well the general form is \[(x -h)^2 +(y - k)^2 = r^2\] where (h, k) is the centre and r is the radius so step 1 substitute the centre values then substitute the point (0,0) to find the value of r^2 and hence the equation of the circle

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