document.write( "Question 934343: The coordinates below represent two linear equations.
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\n" ); document.write( "How many solutions does this system of equations have?
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\n" ); document.write( "Line 1
\n" ); document.write( "x y
\n" ); document.write( "–6 3
\n" ); document.write( "3 6
\n" ); document.write( "Line 2
\n" ); document.write( "x y
\n" ); document.write( "–3 1
\n" ); document.write( "3 3
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\n" ); document.write( " A.
\n" ); document.write( "0
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\n" ); document.write( " B.
\n" ); document.write( "exactly 1
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\n" ); document.write( " C.
\n" ); document.write( "exactly 2
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\n" ); document.write( " D.
\n" ); document.write( "infinitely many
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Algebra.Com's Answer #568171 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
line 1:
\n" ); document.write( "m = dy/dx
\n" ); document.write( "m = (6 - 3)/(3 + 6)
\n" ); document.write( "m = 3/9
\n" ); document.write( "m = 1/3
\n" ); document.write( "y - 6 = (1/3)(x - 3)
\n" ); document.write( "y = (1/3)x - 1 + 6
\n" ); document.write( "y = (1/3)x + 5
\n" ); document.write( "---
\n" ); document.write( "line 2:
\n" ); document.write( "m = dy/dx
\n" ); document.write( "m = (3 - 1)/(3 + 3)
\n" ); document.write( "m = 2/6
\n" ); document.write( "m = 1/3
\n" ); document.write( "y - 3 = (1/3)(x - 3)
\n" ); document.write( "y = (1/3)x - 1 + 3
\n" ); document.write( "y = (1/3)x + 2
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\n" ); document.write( "the lines are parallel (equal slopes), but distinct (different y-intercepts) ...
\n" ); document.write( "the linear system has no solutions
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\n" ); document.write( "answer:
\n" ); document.write( "A. 0
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\n" ); document.write( "Solve and graph linear equations:
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