document.write( "Question 220770: ok i have tried to keep up with my class. i go to an online high school and its hard for me to understand math i have searched my book and other resources but i can't figure out this problem. if you can provide any help or in-site that would be great\r
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document.write( "Question: A line perpendicular to x + 3y = 5 passes through (1,-1). What is the equation of the line in standard form. \n" );
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Algebra.Com's Answer #165707 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A line perpendicular to x + 3y = 5 passes through (1,-1). What is the equation of the line in standard form. \n" ); document.write( ": \n" ); document.write( "Arrange the equation to slope intercept form to find the slope (m1) \n" ); document.write( "x + 3y = 5 \n" ); document.write( "subtract x from both sides \n" ); document.write( "3y = -x + 5 \n" ); document.write( "Divide both sides by 3 \n" ); document.write( "y = \n" ); document.write( "; \n" ); document.write( "The slope m1 = \n" ); document.write( "The relationship of perpendicular lines is given by m1*m2 = -1 \n" ); document.write( "we know m1 = \n" ); document.write( " \n" ); document.write( "Multiply both sides by -3 \n" ); document.write( "m2 = -3(-1) \n" ); document.write( "m2 = +3 \n" ); document.write( ": \n" ); document.write( "Use the point/slope formula to find the equation of the perpendicular line \n" ); document.write( "y - y1 = m(x - x1) \n" ); document.write( "Assign the values as follows: m=3; x1 = 1; y1 = -1 \n" ); document.write( "y - (-1) = 3(x - 1) \n" ); document.write( "y + 1 = 3x - 3 \n" ); document.write( "y = 3x - 3 - 1 \n" ); document.write( "y = 3x - 4 \n" ); document.write( "Put in the standard form \n" ); document.write( "3x - y = 4; is the equation of the perpendicular line \n" ); document.write( ": \n" ); document.write( "Did this make sense to you, any questions? \n" ); document.write( " |