document.write( "Question 161918: Write the equation of the line passing through (-4,-2) and (-2,-6)\r
\n" );
document.write( "\n" );
document.write( "This is what I did - m = -2/-4 (-2 over -4) - -6/-2 (-6 over -2) gives me -2/1 (-2 over 1) simplified it's -2. So m = -2\r
\n" );
document.write( "\n" );
document.write( "Then I used y = mx + b and plugged in the info as follows:
\n" );
document.write( "-4 = -2(-4) + b\r
\n" );
document.write( "\n" );
document.write( "-4 = 8 + b
\n" );
document.write( "-8 -8
\n" );
document.write( "----------
\n" );
document.write( " 4 = b\r
\n" );
document.write( "\n" );
document.write( "So that would give me the answer of y = -2x + 4.\r
\n" );
document.write( "\n" );
document.write( "Is this correct?? \n" );
document.write( "
Algebra.Com's Answer #119315 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! your technique is good, and correct until you \"plugged in\" \n" ); document.write( "__ check your substitution and your equation solving\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ANSWER BELOW\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b should be -10 \n" ); document.write( " |