document.write( "Question 946287: What is the equation for the line is perpendicular to 7x + 8y = 2 and passes through (4,2) \n" ); document.write( "
Algebra.Com's Answer #577290 by stanbon(75887) ![]() You can put this solution on YOUR website! What is the equation for the line is perpendicular to 7x + 8y = 2 and passes through (4,2) \n" ); document.write( "---- \n" ); document.write( "Find the slope of the given line:: \n" ); document.write( "y = (-7/8)x + 1/4 \n" ); document.write( "slope = -7/8 \n" ); document.write( "------- \n" ); document.write( "Slope of each line perpendicular to the given line = 8/7 \n" ); document.write( "------------ \n" ); document.write( "Form:: y = mx + b \n" ); document.write( "Solve for \"b\":: \n" ); document.write( "2 = (8/7)4 + b \n" ); document.write( "----- \n" ); document.write( "14/7 = 32/7 + b \n" ); document.write( "b = -18/7 \n" ); document.write( "------- \n" ); document.write( "Equation: \n" ); document.write( "y = (8/7)x - (18/7) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \n" ); document.write( " |