document.write( "Question 1203210: If the line l1 and the line y = -x+2 are symmetric about the y-axis, the equation of the line l1 is...? \n" ); document.write( "
Algebra.Com's Answer #838607 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The response from the other tutor shows a formal way of finding the answer. \n" ); document.write( "On a less formal and more intuitive level, if the two lines are symmetric about the y-axis then their slopes are the same size but opposite signs, and the y-intercepts are the same. \n" ); document.write( "The given line y = -x+2 has slope -1 and y-intercept 2, so the second line has slope 1 and y-intercept 2 \n" ); document.write( "ANSWER: y = x+2 \n" ); document.write( " \n" ); document.write( " |