document.write( "Question 292083: How do you know when an equation has infinitely many solutions? How do you know when an equation has no solution?
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Algebra.Com's Answer #211083 by stanbon(75887)\"\" \"About 
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How do you know when an equation has infinitely many solutions? How do you know when an equation has no solution?
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\n" ); document.write( "Assuming you are talking about linear equations:
\n" ); document.write( "infinitely many solutions if slopes and y-intercepts are equal.
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\n" ); document.write( "no solution if equal slopes and unequal y-intercepts.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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