document.write( "Question 244092: Find the equation for each of the following items below:\r
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document.write( "a. A line that passes through (6,2) and has a slope of 2.\r
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document.write( "b. A line that passes though the points (2,4) and (8,16)\r
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document.write( "c. A line that passes through (7,3) and has a slope of -1.\r
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document.write( "d. A line that passes through (1, 1) and is perpendicular to the line 3x+4Y=12.\r
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document.write( "e. A circle with a radius of 9 and a midpoint at (3,3)\r
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Algebra.Com's Answer #178692 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Y=mX+b where m=slope & b=the y intercept. \n" ); document.write( "a. A line that passes through (6,2) and has a slope of 2. \n" ); document.write( "2=2*6+b \n" ); document.write( "2=12+b \n" ); document.write( "b=2-12 \n" ); document.write( "b=-10 The Y intercept. \n" ); document.write( "Y=2X-10 ans. \n" ); document.write( "b. A line that passes though the points (2,4) and (8,16) \n" ); document.write( "slope=(Y2-Y1)/(X2-X1)=(16-4)/(8-2)=12/6=2 \n" ); document.write( "4=2*2+b \n" ); document.write( "4=4+b \n" ); document.write( "b=4-4 \n" ); document.write( "b=0 The Y intercept. \n" ); document.write( "Y=2X ans. \n" ); document.write( "c. A line that passes through (7,3) and has a slope of -1. \n" ); document.write( "3=-1*7+b \n" ); document.write( "3=-7+b \n" ); document.write( "b=1+7 \n" ); document.write( "b=8 The Y intercept. \n" ); document.write( "Y=-X+8 ans. \n" ); document.write( "d. A line that passes through (1, 1) and is perpendicular to the line 3x+4Y=12. \n" ); document.write( "3X+4Y=12 \n" ); document.write( "4Y=-3X+12 \n" ); document.write( "Y=-3X/4+12/4 \n" ); document.write( "Y=-3X/4+3 This line has a slope=-3/4. A perpendicular line will havwe a \n" ); document.write( "slope=4/3. \n" ); document.write( "1=4/3*1+b \n" ); document.write( "1=4/3+b \n" ); document.write( "b=1-4/3 \n" ); document.write( "b=-1/3 The Yintercept. \n" ); document.write( "e. A circle with a radius of 9 and a midpoint at (3,3) \n" ); document.write( "(X-3)^2+(Y-3)^2=9^2 \n" ); document.write( "I tried to graph this circle using the graphing formula, but could not draw the circle. \n" ); document.write( " \n" ); document.write( " |