document.write( "Question 194799: i have two solution sets from two linear equations\r
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document.write( "equation one:
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document.write( "y=4(x)-1
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document.write( "The solution set is:
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document.write( "(-2, -9)
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document.write( "(0, -1)
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document.write( "(2, 7)
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document.write( "(5, 19) \r
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document.write( "Equation 2:
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document.write( "y=3(x)+5
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document.write( "The solution set is:
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document.write( "(-2, 9)
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document.write( "(0,15)
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document.write( "(2, 21)
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document.write( "(5, 30)\r
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document.write( "As you can see I have already found the solution set; my problem is that once I graph it I can not get them to cross to show the solution point. Can you please help me? \n" );
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Algebra.Com's Answer #146121 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Good work,,,You understand how graphing works, \n" ); document.write( ". \n" ); document.write( "The first set looks good \n" ); document.write( ". \n" ); document.write( "looking at the second set,,,y = 3x +5 \n" ); document.write( "for x=0, y =0 +5 = 5 \n" ); document.write( "for x=2, y= 3(2) +5 = 11 \n" ); document.write( "for x=5, y=3(5) +5 = 20 \n" ); document.write( "for x=-2, y=3(-2) +5 = -1 \n" ); document.write( ". \n" ); document.write( "if we look at the two eqns \n" ); document.write( "1) y=4x-1 \n" ); document.write( "2) y=3x+5 \n" ); document.write( ". \n" ); document.write( "4x-1 =3x+5 \n" ); document.write( "x=6 \n" ); document.write( "substituting in (1) \n" ); document.write( "y = 4(6) -1 = 23 \n" ); document.write( ". \n" ); document.write( "solution ( intersection) at (6,23) \n" ); document.write( ". \n" ); document.write( "checking \n" ); document.write( "substitute in both eqns \n" ); document.write( "1) 23 = 4(6)-1,,,,ok \n" ); document.write( "2) 23 = 3(6) +5,,,,ok \n" ); document.write( " |