document.write( "Question 1026715: Write the equation of the line, in point-slope form and slope-intercept form, that contains the points (-2, -1 ) and (2, 1 ). Use the box provided or the upload option to submit all of your calculations and final answers.
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Algebra.Com's Answer #641985 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Write the equation of the line, in point-slope form and slope-intercept form, that contains the points (-2,-1) and (2,1). \n" ); document.write( "------------ \n" ); document.write( "By inspection, it's symmetrical about the Origin. \n" ); document.write( "--> y = x/2 \n" ); document.write( "================== \n" ); document.write( "Find the slope. \n" ); document.write( "slope m = diffy/diffx = 2/4 = 1/2 \n" ); document.write( "---- \n" ); document.write( "y-y1 = m*(x-x1) \n" ); document.write( "y-1 = (1/2)*(x-2) \n" ); document.write( "y = (1/2)x \n" ); document.write( "-------------- \n" ); document.write( "============= \n" ); document.write( "PS Don't put spaces in the points. \n" ); document.write( " |