document.write( "Question 148090: The equation of the line through (8,6) and (2,) is\r
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document.write( "a. 5x-3y=22
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document.write( "b. 3/5x + 8/5
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document.write( "c. 3x + 4y = 48
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document.write( "d. -4x + 2y = -16\r
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document.write( "There is no y coordinate to go with (2,). This is a test question and this is how it was written by the teacher. Could you please help me!
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Algebra.Com's Answer #108480 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! In this case, since they gave you a single point at (8,6), apply that point to each of the given equations: \n" ); document.write( "a. 5x-3y=22 \n" ); document.write( "5(8)-3y=22 \n" ); document.write( "40-3y=22 \n" ); document.write( "-3y=-18 \n" ); document.write( "y = 6 \n" ); document.write( ". \n" ); document.write( "b. 3/5x + 8/5 \n" ); document.write( "3/5(8) + 8/5 \n" ); document.write( "24/5 + 8/5 \n" ); document.write( "32/5 (Does NOT equal 6 -- toss it out) \n" ); document.write( ". \n" ); document.write( "c. 3x + 4y = 48 \n" ); document.write( "3(8) + 4y = 48 \n" ); document.write( "24 + 4y = 48 \n" ); document.write( "4y = 24 \n" ); document.write( "y = 6 \n" ); document.write( ". \n" ); document.write( "d. -4x + 2y = -16 \n" ); document.write( "-4(8) + 2y = -16 \n" ); document.write( "-32 + 2y = -16 \n" ); document.write( "2y = 32 \n" ); document.write( "y = 16 (Does NOT equal 6 -- toss it out) \n" ); document.write( ". \n" ); document.write( "Right now, it could either be 'a' or 'c' \n" ); document.write( "a. 5x-3y=22 \n" ); document.write( "c. 3x + 4y = 48 \n" ); document.write( ". \n" ); document.write( "I would think, at this point, that you could possibly have a typo when you keyed it in. Can you verify that the problem is typed in correctly? \n" ); document.write( ". \n" ); document.write( "Or, if you proceeded, the other piece of information given was (2,) \n" ); document.write( "we could try to plug it into both 'a' and 'c': \n" ); document.write( "a. 5x-3y=22 \n" ); document.write( "5(2)-3y=22 \n" ); document.write( "10-3y=22 \n" ); document.write( "-3y=12 \n" ); document.write( "y = -4 \n" ); document.write( ". \n" ); document.write( "c. 3x + 4y = 48 \n" ); document.write( "3(2) + 4y = 48 \n" ); document.write( "6 + 4y = 48 \n" ); document.write( "4y = 42 \n" ); document.write( "y = 10.5 \n" ); document.write( " \n" ); document.write( " |