document.write( "Question 44737This question is from textbook College Algebra
\n" );
document.write( ": Solve each system by substitution. Determine whether each system is independent, inconsistent, or dependent.\r
\n" );
document.write( "\n" );
document.write( "2y = 1 - 4x
\n" );
document.write( "2x + y = 0 \n" );
document.write( "
Algebra.Com's Answer #29610 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! SEE THE FOLLOWING AND TRY \n" ); document.write( "----------- \n" ); document.write( "SEE \n" ); document.write( "\solve each of the follwing systems by substitution. \n" ); document.write( "5x-2y=-5............I \n" ); document.write( "y-5x=3......................II...Y=3+5X..........PUT IN EQN.I \n" ); document.write( "5X-2(3+5X)=-5 \n" ); document.write( "5X-6-10X=-5 \n" ); document.write( "-5X=6-5=1 \n" ); document.write( "X=-1/5 \n" ); document.write( "Y=3+5X=3+5*(-1/5)=3-1=2 \n" ); document.write( "THESE ARE CONSISTENT INDEPENDENT EQNS.AND HENCE HAVE A UNIQUE SOLUTUIN NAMELY... \n" ); document.write( "=-1/5 AND Y=2THE FOLLOWING AND TRY\r \n" ); document.write( "\n" ); document.write( "Equations/44050: solve each of the following systems by graphing \n" ); document.write( "3x-6y=9 \n" ); document.write( "x-2y=3 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28988 by venugopalramana(2194) About Me on 2006-06-28 00:45:24 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "SEE THE FOLLOWING AND TRY \n" ); document.write( "solve each of the following systems by sustitution. \n" ); document.write( "8x-4y=16....................I \n" ); document.write( "y=2x-4....................II....PUT THIS IN EQN.I \n" ); document.write( "8X-4(2X-4)=16 \n" ); document.write( "8X-8X+16=16 \n" ); document.write( "16=16.....OK... \n" ); document.write( "HENCE THE EQNS.ARE DEPENDENT ANE THERE ARE INFINITE SETS OF SOLUTIONS..ANY SET WITH \n" ); document.write( "X=ANY VALUE......SAY'0' \n" ); document.write( "AND Y=2X-4=2*0-4=-4 IS A SOLUTION SET. \n" ); document.write( "YOU CAN GIVE ANY VALUE TO X,FIND CORRESPONDING Y AND THAT IS THE SOLUTION SET.\r \n" ); document.write( "\n" ); document.write( "Equations/44051: Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent. \n" ); document.write( "2x+3y=1 \n" ); document.write( "5x+3y=16 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28987 by venugopalramana(2194) About Me on 2006-06-28 00:44:02 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "SEE THE FOLLOWING AND TRY \n" ); document.write( "------------------------------- \n" ); document.write( "solve each of the follwing systems by substitution. \n" ); document.write( "5x-2y=-5............I \n" ); document.write( "y-5x=3......................II...Y=3+5X..........PUT IN EQN.I \n" ); document.write( "5X-2(3+5X)=-5 \n" ); document.write( "5X-6-10X=-5 \n" ); document.write( "-5X=6-5=1 \n" ); document.write( "X=-1/5 \n" ); document.write( "Y=3+5X=3+5*(-1/5)=3-1=2 \n" ); document.write( "THESE ARE CONSISTENT INDEPENDENT EQNS.AND HENCE HAVE A UNIQUE SOLUTUIN NAMELY... \n" ); document.write( "=-1/5 AND Y=2\r \n" ); document.write( "\n" ); document.write( "Equations/44052: slove each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent. \n" ); document.write( "x+5y=10 \n" ); document.write( "-2x-10y=-20 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28986 by venugopalramana(2194) About Me on 2006-06-28 00:42:35 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "SEE THE FOLLOWING AND TRY \n" ); document.write( "----------------------------- \n" ); document.write( "solve each of the following systems by sustitution. \n" ); document.write( "8x-4y=16....................I \n" ); document.write( "y=2x-4....................II....PUT THIS IN EQN.I \n" ); document.write( "8X-4(2X-4)=16 \n" ); document.write( "8X-8X+16=16 \n" ); document.write( "16=16.....OK... \n" ); document.write( "HENCE THE EQNS.ARE DEPENDENT ANE THERE ARE INFINITE SETS OF SOLUTIONS..ANY SET WITH \n" ); document.write( "X=ANY VALUE......SAY'0' \n" ); document.write( "AND Y=2X-4=2*0-4=-4 IS A SOLUTION SET. \n" ); document.write( "YOU CAN GIVE ANY VALUE TO X,FIND CORRESPONDING Y AND THAT IS THE SOLUTION SET.\r \n" ); document.write( "\n" ); document.write( "Equations/44055: solve each of the follwing systems by substitution. \n" ); document.write( "5x-2y=-5 \n" ); document.write( "y-5x=3 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28985 by venugopalramana(2194) About Me on 2006-06-28 00:39:28 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "solve each of the follwing systems by substitution. \n" ); document.write( "5x-2y=-5............I \n" ); document.write( "y-5x=3......................II...Y=3+5X..........PUT IN EQN.I \n" ); document.write( "5X-2(3+5X)=-5 \n" ); document.write( "5X-6-10X=-5 \n" ); document.write( "-5X=6-5=1 \n" ); document.write( "X=-1/5 \n" ); document.write( "Y=3+5X=3+5*(-1/5)=3-1=2 \n" ); document.write( "THESE ARE CONSISTENT INDEPENDENT EQNS.AND HENCE HAVE A UNIQUE SOLUTUIN NAMELY... \n" ); document.write( "=-1/5 AND Y=2\r \n" ); document.write( "\n" ); document.write( "Equations/44056: solve each of the following systems by sustitution. \n" ); document.write( "8x-4y=16 \n" ); document.write( "y=2x-4 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28984 by venugopalramana(2194) About Me on 2006-06-28 00:35:11 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "solve each of the following systems by sustitution. \n" ); document.write( "8x-4y=16....................I \n" ); document.write( "y=2x-4....................II....PUT THIS IN EQN.I \n" ); document.write( "8X-4(2X-4)=16 \n" ); document.write( "8X-8X+16=16 \n" ); document.write( "16=16.....OK... \n" ); document.write( "HENCE THE EQNS.ARE DEPENDENT ANE THERE ARE INFINITE SETS OF SOLUTIONS..ANY SET WITH \n" ); document.write( "X=ANY VALUE......SAY'0' \n" ); document.write( "AND Y=2X-4=2*0-4=-4 IS A SOLUTION SET. \n" ); document.write( "YOU CAN GIVE ANY VALUE TO X,FIND CORRESPONDING Y AND THAT IS THE SOLUTION SET.\r \n" ); document.write( "\n" ); document.write( "Equations/44057: solve each of the following systmes by substitution. \n" ); document.write( "4x-12y=5 \n" ); document.write( "-x+3y=-1 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28983 by venugopalramana(2194) About Me on 2006-06-28 00:31:42 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "solve each of the following systmes by substitution. \n" ); document.write( "4x-12y=5................I \n" ); document.write( "-x+3y=-1...............II.....X=3Y+1..PUT THIS IN EQN.I \n" ); document.write( "4(3Y+1)-12Y=5 \n" ); document.write( "12Y+4-12Y=5 \n" ); document.write( "4=5...NOT POSSIBLE \n" ); document.write( "HENCE EQNS. ARE INCONSISTENT AND THERE IS NO SOLUTION\r \n" ); document.write( "\n" ); document.write( "Equations/44059: solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. \n" ); document.write( "10x+2y=7 \n" ); document.write( "y=-5x+3 \n" ); document.write( "1 solutions \n" ); document.write( "Answer 28982 by venugopalramana(2194) About Me on 2006-06-28 00:22:33 (Show Source): \n" ); document.write( "You can put this solution on YOUR website! \n" ); document.write( "SEE THE FOLLOWING AND TRY.IF STILL IN DIFFICULTY PLEASE COME BACK \n" ); document.write( "------------------------------------------------------------------------------ \n" ); document.write( "IS the given system of equations consistent \n" ); document.write( "MEANS WHETHER THERE IS ANY SET OF VALUES FOR X AND Y \n" ); document.write( "WHICH SATISFIES BOTH THE GIVEN EQUATIONS. \n" ); document.write( "and dependent,MEANS WHETHER ONE EQUATION CAN BE GOT \n" ); document.write( "FROM THE OTHER BY SUITABLE AND PERMISSIBLE \n" ); document.write( "TRANSFORMATION \n" ); document.write( "consistent and independent,MEANS THAT ONE EQUATION \n" ); document.write( "CANNOT BE OBTAINED FROM THE OTHER EQUATION BY BY ANY \n" ); document.write( "SUITABLE AND PERMISSIBLE TRANSFORMATION . \n" ); document.write( "or inconsistent.MEANS THERE ARE NO SET OF VALUES FOR X \n" ); document.write( "AND Y WHICH SATISFY BOTH THE EQUATIONS. \n" ); document.write( "3x-y=7.....I....... \n" ); document.write( "6x-2Y=9..........II \n" ); document.write( "what does these terms mean?NOW I THINK YOU KNOW WHAT \n" ); document.write( "THE TERMS MEAN.THERE ARE TESTS FOR FINDING THESE \n" ); document.write( "SITUATIONS.WE SHALL RESTRICT THE ANALYSIS TO YOUR \n" ); document.write( "PROBLEM \n" ); document.write( "WE FIND THAT ON L.H.S OF THE 2 EQNS.WE HAVE 3X-Y AND \n" ); document.write( "6X-2Y WHICH ARE DIRECT MULTIPLES BY 2 .THAT IS WE GET \n" ); document.write( "LHS OF EQN.2 BY MULTIPLYING THE EQN 1 WITH 2 \n" ); document.write( "WE GET EQN.I *2 ....6X-2Y=14 \n" ); document.write( "WHERE AS EQN.II SAYS 6X-2Y=9..SO IF WE TRY TO SATISFY \n" ); document.write( "EQN.I ,EQN II WILL NOT BE SATISFIED AND IF WE TRY TO \n" ); document.write( "SATISFY EQN II ,EQN.I WILL NOT BE SATISFIED.SO THERE \n" ); document.write( "ARE NO VALUES OF X AND Y WHICH SATISFY BOTH \n" ); document.write( "EQUATIONS.SO WE SAY THE GIVEN EQNS. ARE INCONSISTENT. \n" ); document.write( "-------------------------------------------------------------------------------- \n" ); document.write( "Solve the following system by addition. If a unique \n" ); document.write( "solution does not exist, state \n" ); document.write( "whether the system is inconsistent or dependent. \n" ); document.write( "x + 5y = \n" ); document.write( "10...................................................I \n" ); document.write( "-2x – 10y = -20.................................II \n" ); document.write( "-2*EQN.I GIVES \n" ); document.write( "-2X-10Y=-20....WHICH IS SAME AS EQN.II... \n" ); document.write( "HENCE THEY ARE DEPENDENT EQUATIONS. \n" ); document.write( "SO INEFFECT WE HAVE ONLY ONE EQN.TO SOLVE FOR 2 \n" ); document.write( "UNKOWNS. \n" ); document.write( "HENCE WE SHALL HAVE INFINTE SOLUTIONS LIKE IN THIS \n" ); document.write( "CASE \n" ); document.write( "X=0....Y=2 \n" ); document.write( "X=10...Y=0...ETC.. \n" ); document.write( "IMPORTANT NOTE. \n" ); document.write( "THEY HAVE INFINITE SOLUTIONS BUT NOT ANY AND EVERY \n" ); document.write( "VALUE OF X AND Y.FOR EXAMPLE IF X=0 ,THEN Y HAS TO \n" ); document.write( "EQUAL 2 ONLY NOT ANY OTHER VALUE.SO IT HAS INFINITE \n" ); document.write( "SETS OF X AND Y PAIRS FOR ITS SOLUTION \n" ); document.write( "-------------------------------------------------------------------------------------------- \n" ); document.write( " |