document.write( "Question 254831: Find the linear equation given the following information:\r
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document.write( "y-intercept = -1 and the line decreases by 3 when x increases by 1 \n" );
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Algebra.Com's Answer #187124 by vksarvepalli(154)![]() ![]() You can put this solution on YOUR website! y-intercept = -1 means when the value of x coordinate is 0 the value of y coordinate is -1\r \n" ); document.write( "\n" ); document.write( "given that the line decreases by 3 when x increases by 1\r \n" ); document.write( "\n" ); document.write( "so when the x coordinate is 1 the y coordinate will be -1-3 = -4\r \n" ); document.write( "\n" ); document.write( "so we have two points (0,-1) and (1,-4) \r \n" ); document.write( "\n" ); document.write( "the eq is y-(-1)=[(-4+1)/(1-0)] *(x-0)\r \n" ); document.write( "\n" ); document.write( "that is y+1=-3x\r \n" ); document.write( "\n" ); document.write( "that is 3x+y+1=0 \n" ); document.write( " |