ExamView - A.REI.B.3.SolvingLinearEquations2b.tst
Transcription
ExamView - A.REI.B.3.SolvingLinearEquations2b.tst
Regents Exam Questions A.REI.B.3: Solving Linear Equations 2b Name: ________________________ www.jmap.org A.REI.B.3: Solving Linear Equations 2b 1 Which value of x is the solution of the equation 1 5 2 x ? 2 6 3 2 In the equation 12 Which value of x is the solution of the equation 1 2x 15x 3 ? 21 7 3 1 1 n 5 5 , n is equal to 2 4 13 Which value of x is the solution of 3 What is the solution set of the equation x x 14? 5 2 4 What is the value of x in the equation x x1 x? 2 3 14 The number of people on the school board is represented by x. Two subcommittees with an equal number of members are formed, one with 2 x x 5 members and the other with members. 3 4 How many people are on the school board? x x 2? 2 6 5 Which value of x is the solution of the equation 2x x 5? 3 6 15 What is the value of x in the equation x2 1 5 ? 6 6 3 6 What is the value of x in the equation 5 3 x 2 x 6? 4 4 16 Solve for x: 1 1 1 x 4 2 16 17 Solve for x: x 3 2x 7 7 2 18 Solve for x: x 3 4x 4 3 5 19 Solve for m: m 3(m 1) 2(m 3) 5 2 7 What is the value of w in the equation 1 3 w 8 w 7? 3 4 8 What is the value of w in the equation 1 w 7 2w 2? 2 9 Solve for x: 3 (x 2) x 4 5 20 Solve: 10 Which value of x satisfies the equation 7 ÊÁÁÁ 9 ˆ˜˜˜ x 20? Á 3 ÁË 28 ˜˜¯ 3x 1 4x 5 8 x 2x 5 3 4 6 8 21 Solve: 2x 1 22 Solve: 11 Which value of x is the solution of 2x 1 7x 2 ? 15 5 3 1 2x 2 3x 1 x 1 2 5 4 4x 2 x x3 x3 x 5 3 6 3 2 ID: A A.REI.B.3: Solving Linear Equations 2b Answer Section 1 ANS: 1 2 2x 1 5 3 2 6 2x 1 3 3 6x 3 x 1 2 REF: 011112ia 2 ANS: 2 REF: 080708a 3 ANS: {20} REF: 010507a 4 ANS: 3 REF: 010719a 1 ID: A 5 ANS: 6 (2x 6) (3 x) 5 36 12x 3x 5 18 15x 90 x6 REF: 060907ia 6 ANS: 16 REF: 010204a 7 ANS: 36 REF: 080620a 8 ANS: 6 REF: 060704a 2 ID: A 9 ANS: 13 3 (x 2) x 4 5 3(x 2) 5(x 4) 3x 6 5x 20 26 2x x 13 REF: 080909ia 10 ANS: 8.25 7 ÊÁÁÁ 9 ˆ˜˜˜ 20 x Á 3 ÁË 28 ˜˜¯ 7 3 80 x 3 4 4 7 77 x 3 4 x 33 8.25 4 REF: 061405ai 11 ANS: 7 2x 1 7x 2 5 3 15 (2x 3) (5 1) 7x 2 53 15 6x 5 7x 2 15 15 6x 5 7x 2 x7 REF: 080820ia 3 ID: A 12 ANS: 6 1 2x 15x 3 21 7 3 14x 3 15x 3 21 21 14x 3 15x 3 x6 REF: 011328ia 13 ANS: 3 x x1 x 3 2 2x 3(x 1) x 6 5x 3 6x 3x REF: 061019ia 14 ANS: 12 REF: 060418a 15 ANS: 4 x2 4 6 3 6x 12 12 6x 24 x4 REF: 081420ai 4 ID: A 16 ANS: . 4. . REF: 010636a 17 ANS: 7 REF: 069405siii 18 ANS: 3 REF: 069803siii 19 ANS: m 3(m 1) 2(m 3) 5 2 2m 15(m 1) 2m 6 10 10 17m 15 2m 6 10 17m 15 20m 60 45 3m 15 m REF: 081139ia 20 ANS: 5 2 REF: 019104al 21 ANS: 3 REF: 069805al 22 ANS: 5 REF: 089606al 5