y 2 x 8 3 2 x y 121no solution 3 16 2 infinite solutions 41 2 9 \u00ca \u00cb\u00c1 \u00c1 \u00c1 \u00c1 \u00c1\u00c1 \u02c6

Y 2 x 8 3 2 x y 121no solution 3 16 2 infinite

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y 2 x 8 3( 2 x y ) 12 1) no solution 3) ( 1,6) 2) infinite solutions 4) 1 2 ,9 Ê Ë Á Á Á Á Á Á ˆ ¯ ˜ ˜ ˜ ˜ ˜ ˜
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Regents Exam Questions A.REI.C.6: Solving Linear Systems 1 Name: ________________________ 3 11 The line represented by the equation 4 y 2 x 33.6 shares a solution point with the line represented by the table below. x y 5 3.2 2 3.8 2 4.6 4 5 11 6.4 The solution for this system is 1) ( 14.0, 1.4) 3) (1.9,4.6) 2) ( 6.8,5.0) 4) (6.0,5.4) 12 Albert says that the two systems of equations shown below have the same solutions. First System Second System 8 x 9 y 48 12 x 5 y 21 8 x 9 y 48 8.5 y   51 Determine and state whether you agree with Albert. Justify your answer. 13 In attempting to solve the system of equations y 3 x 2 and 6 x 2 y 4 , John graphed the two equations on his graphing calculator. Because he saw only one line, John wrote that the answer to the system is the empty set. Is he correct? Explain your answer. 14 Guy and Jim work at a furniture store. Guy is paid $185 per week plus 3% of his total sales in dollars, x , which can be represented by g ( x ) 185 0.03 x . Jim is paid $275 per week plus 2.5% of his total sales in dollars, x , which can be represented by f ( x ) 275 0.025 x . Determine the value of x , in dollars, that will make their weekly pay the same.
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ID: A 1 A.REI.C.6: Solving Linear Systems 1 Answer Section 1 ANS: 2 REF: 011815ai 2 ANS: 3 y   3 x 4 2 x 3( 3 x 4)   21 REF: 011922ai 3 ANS: 3 2( x y 3) 2 x 2 y 6 REF: 081822ai 4 ANS: 1 x 4 y   10 x y 5 5 y   15 y 3 x 3 5 x 2 (1) 5 x 10 x 2 2 y 5 y 3 REF: 081922ai 5 ANS: 2 2(3 x y 4) 6 x 2 y 8 REF: 061414ai 6 ANS: 2 6(3 x y 7) 2(2 x 3 y 12) REF: 012020ai 7 ANS: 4
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  • Fall '19
  • Equations, Elementary algebra, Solving Linear Systems, 5x  9y 

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