document.write( "Question 834697: write the equation of the line passing through the points (3,-7) with slope -2/3\r
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document.write( "I set it up like this:
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document.write( "y-(-7)=-2/3(x-3)
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document.write( "y+7=-2/3x-3
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document.write( "y=-2/3x-3-7
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document.write( "y=-2/3x-10
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document.write( "but I got it wrong. It said the b value is -5, How? \n" );
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Algebra.Com's Answer #503149 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Your work\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y-(-7)=-2/3(x-3) \n" ); document.write( "y+7=-2/3x-3 <--- You made a mistake here \n" ); document.write( "y=-2/3x-3-7 \n" ); document.write( "y=-2/3x-10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "On the second line, you forgot to distribute the -2/3 to EVERY term inside the parenthesis. You did -2/3 times x correctly, but forgot to multiply -2/3 by -3 to get (-2/3)*(-3) = 6/3 = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So line #3 should look like this: y = -2/3x + 2 - 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and then you combine like terms to get this final answer: y = -2/3x - 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Despite this error, you did the rest of the steps correctly. So nice work with all that. \n" ); document.write( " |