document.write( "Question 171331: I've asked for help several times and have not gotten a response, is there any specific reason why my questions are being ignored.\r
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document.write( "Write an equation fo the line passing through the given points.\r
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document.write( "(3,-12) and (-4,2)\r
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document.write( "Can someone be generous enough to help me
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Algebra.Com's Answer #126480 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! I've asked for help several times and have not gotten a response, is there any specific reason why my questions are being ignored. \n" ); document.write( "Write an equation fo the line passing through the given points. \n" ); document.write( "(3,-12) and (-4,2) \n" ); document.write( "--------------------- \n" ); document.write( "There are 2 ways to solve this (maybe more, but I know 2). \n" ); document.write( "Using determinants: \n" ); document.write( "|x y 1| \n" ); document.write( "|-4 2 1| = 0 \n" ); document.write( "|3 -12 1| \n" ); document.write( "x*(2-(-12) -y*(-4-3) + 48-6 = 0 \n" ); document.write( "14x + 7y = -42 \n" ); document.write( "2x + y = -6 \n" ); document.write( "------------ \n" ); document.write( "The slope method: \n" ); document.write( "1st, find the slope, m \n" ); document.write( "m = (diff in y)/(diff in x) \n" ); document.write( "m = (-12 -2)/(3 - (-4)) \n" ); document.write( "m = -14/7 = -2 \n" ); document.write( "Then, use either point \n" ); document.write( "y-y1 = m*(x-x1) \n" ); document.write( "y-2 = -2*(x+4) \n" ); document.write( "y-2 = -2x -8 \n" ); document.write( "y = -2x -6 (slope-intercept form) \n" ); document.write( "2x + y = -6 (standard form) \n" ); document.write( "--------------- \n" ); document.write( "I don't know which problems are yours, but the reason I ignore problems is that they have typos, or for some reason don't make any sense. I log on, and see 400 problems to choose from. I won't waste my time on the ones that are just gibberish, or that have ambiguities. \n" ); document.write( "For example, \"square root of 3y+5=4\" \n" ); document.write( "What about it? Solve for y? Is it \n" ); document.write( "In other cases, there's just a textbook reference, and some page numbers and problem numbers. Am I supposed to buy all the textbooks that are in use? \n" ); document.write( "How about this one: \n" ); document.write( "How do I solve tan@+sec@=1 ?\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |