document.write( "Question 1064755: The number of pairs of integers (x,y) that satisfy both x^2+y^2<( is less or equal to) 36 and y=-4 is \n" ); document.write( "

Algebra.Com's Answer #679853 by ikleyn(52817) $\"\"$ $\"About$

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\n" ); document.write( "The number of pairs of integers (x,y) that satisfy both x^2+y^2<( is less or equal to) 36 and y=-4 is
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document.write( ". . . is the same as the number of integers x such that x^2 <= 20,\r\n" );
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document.write( "i.e. 9:  {x of Z | x^2 <= 20} = {-4, -3, -2, -1, 0, 1, 2, 3, 4}.\r\n" );
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