document.write( "Question 488297: Hi, I am trying to help my daughter with her Algebra and forgot how to solve for the following (y=mx+b) statement. I hope you can help as I have been out of this since my late twenties! \r
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document.write( "Write the slope-intercept form of an equation of the line that passes through the given point and is perpendicular to the equation given.
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document.write( "(2,2), y= -1/5 x +5\r
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Algebra.Com's Answer #333337 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Write the slope-intercept form of an equation of the line that passes through the given point and is perpendicular to the equation given. \n" ); document.write( "(2,2), y= -1/5 x +5 \n" ); document.write( ". \n" ); document.write( "The slope of: \n" ); document.write( "y= -1/5 x +5 \n" ); document.write( "is -1/5 \n" ); document.write( ". \n" ); document.write( "A line perpendicular must have a slope that is the negative reciprocal: \n" ); document.write( "(-1/5)m = -1 \n" ); document.write( "(1/5)m = 1 \n" ); document.write( "m = 5 (slope of new line) \n" ); document.write( "use this along with the given point (2,2) and plug into the \"point-slope\" form: \n" ); document.write( "y - y1 = m(x - x1) \n" ); document.write( "y - 2 = 5(x - 2) \n" ); document.write( "y - 2 = 5x - 10 \n" ); document.write( "y = 5x - 8 (this is what they're looking for -- in \"slope-intercept\" form)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |