document.write( "Question 981963: Please help me solve this problem. Find the value of \"a\" if a line containing the point (a, -3a) has a y-intercept of 7 and a slope of -2/3 \n" ); document.write( "
Algebra.Com's Answer #602844 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Slope-intercept form equation, y=mx+b \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you have a point as (a,-3a), then you have x=a and y=-3a, which you substitute into the equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "and now solve this for a. \n" ); document.write( " |