document.write( "Question 62902: Which of the following statements are true?
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document.write( " The point (-2,-3) is in quadrant II of the Cartesian plane.
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document.write( " The equation 2x-3y=5 is a linear equation.
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document.write( " The distance between the points (-5,1) and (-7,9) is 2^17
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document.write( " ^a^2 +b^2=a+b
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document.write( "This has me all confused, thanks for the help \n" );
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Algebra.Com's Answer #43731 by praseenakos@yahoo.com(507)![]() ![]() You can put this solution on YOUR website! QUESTION:\r \n" ); document.write( "\n" ); document.write( " Which of the following statements are true? \n" ); document.write( " The point (-2,-3) is in quadrant II of the Cartesian plane. \n" ); document.write( " The equation 2x-3y=5 is a linear equation. \n" ); document.write( " The distance between the points (-5,1) and (-7,9) is 2^17 \n" ); document.write( " ^a^2 +b^2=a+b \n" ); document.write( "------------------------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "ANSWERS:\r \n" ); document.write( "\n" ); document.write( "The point ( -2, -3 ) is in quadrant II of the Cartesian plane.\r \n" ); document.write( "\n" ); document.write( "No, the point ( -2, -3 ) is not in the II quadrant \n" ); document.write( "Explanation: \r \n" ); document.write( "\n" ); document.write( "In the I quadrant both the x and y coordinates are positive. \n" ); document.write( "In the II quadrant x coordinate is negative while y coordinate is +ve. \n" ); document.write( "In the III quadrant x coordinate is -ve and y coordinate is -ve. \n" ); document.write( "In the IV quadrant x coordinate is +ve and y coordinate is -ve.\r \n" ); document.write( "\n" ); document.write( "So the point ( -2, -3 ) lies in the III quadrant.\r \n" ); document.write( "\n" ); document.write( "--------------------------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "2.The equation 2x-3y=5 is a linear equation.\r \n" ); document.write( "\n" ); document.write( "Explanation:\r \n" ); document.write( "\n" ); document.write( "A linear equation is an equation involving only the sum of constants or products of constants and the first power of a variable.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "These equations are called \"linear\" because they represent straight lines in Cartesian coordinates.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "A common form of a linear equation in two variables is y = mx + b, \r \n" ); document.write( "\n" ); document.write( "(e.g. y = 3x + 5the line crosses the y-axis.\r \n" ); document.write( "\n" ); document.write( "Equations involving terms such as x^2, y^(1/3), and (xy )are \"non-linear\".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The given equation 2x-3y=5 is linear because its terms involves only first power of variable.\r \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------- \n" ); document.write( "3.The distance between the points (-5,1) and (-7,9) is 2^17\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Explanation:\r \n" ); document.write( "\n" ); document.write( "In coordinate geometry the distance between two points is given by \r \n" ); document.write( "\n" ); document.write( "Distance Formula, d = square root of {( x1 -x2)^2 + ( y1 - y2 )^2}\r \n" ); document.write( "\n" ); document.write( "here \n" ); document.write( " \n" ); document.write( "x1= -5 \n" ); document.write( "x2= -7 \n" ); document.write( "y1= 1 \n" ); document.write( "y2= 9\r \n" ); document.write( "\n" ); document.write( "so, d = square root of {( -5 - -7)^2 + (1- 9 )^2}\r \n" ); document.write( "\n" ); document.write( " = square root of {( -5+ 7)^2 + ( 1-9)^2}\r \n" ); document.write( "\n" ); document.write( " = square root of {( 2)^2 + ( -8)^2}\r \n" ); document.write( "\n" ); document.write( " = square root of {(4 + 64 }\r \n" ); document.write( "\n" ); document.write( " = square root of { 68 }\r \n" ); document.write( "\n" ); document.write( " = 2 * square root of 17\r \n" ); document.write( "\n" ); document.write( " = 2 ( 17 )^1/2\r \n" ); document.write( "\n" ); document.write( "-----------------------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "Last Question is not clear.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Regards,\r \n" ); document.write( "\n" ); document.write( "Praseena.\r \n" ); document.write( "\n" ); document.write( "praseenakos@yahoo.co.in\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |