document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1152753>Question 1152753</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Becky graphs a system of two linear equations and determines that (1,5) and (3,7) are solutions. What does the graph of the system look like? How many solutions are possible?<BR>\n" );
document.write( "A)	curve; two solutions	<BR>\n" );
document.write( "B)	two lines; one solution	<BR>\n" );
document.write( "C)	two lines; two solutions	<BR>\n" );
document.write( "D)	one line; infinitely many </SPAN>\n" );
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document.write( "given:\r<BR>\n" );
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document.write( " a system of two linear equations and determines that (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" >) and (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3 ALIGN=MIDDLE  ALT=\"3\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7 ALIGN=MIDDLE  ALT=\"7\"   DISABLED_style= \"max-width:90%; height:auto;\" >) are solutions\r<BR>\n" );
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document.write( "by definition, a line is defined by two points; so, you have a system of two linear equations which are coincident, or two lines that lie exactly on top of each other (actually <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=one ALIGN=MIDDLE  ALT=\"one\"   DISABLED_style= \"max-width:90%; height:auto;\" > line )\r<BR>\n" );
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document.write( "answer: D) one line; infinitely many </SPAN>\n" );
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