document.write( "Question 985866: The obtuse angle b/w the line y=-2 and y=x+2 \n" ); document.write( "

Algebra.Com's Answer #606644 by Edwin McCravy(20055) $\"\"$ $\"About$

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The obtuse angle b/w the line y=-2 and y=x+2
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document.write( "The slope of y=-2 is m=0 because in slope-intercept form it's y = 0x-2, and\r\n" );
document.write( "the coefficient of x is 0.\r\n" );
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document.write( "The slope of y=x+1 is m=1 because the coefficient of x is 1\r\n" );
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document.write( ", taken positive when we want the acute angle, \r\n" );
document.write( "and negative when we want the obtuse angle. \r\n" );
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document.write( "We take the negative value since we want the obtuse angle:\r\n" );
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document.write( "Edwin

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