Chapter 5 Practice Test Name: Period: Date:
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1 Chapter Practice Test Name: Period: Date:. Tell whether the ordered pair is a solution of the sstem of linear equations. a. Yes b. No Solve the sstem of linear equations. Check our solution.. = x 8 = x + a. (8, ) c. (, ) b. (6, 6 ) d. (, ).. a. (, 9) c. (0, 9) b. (, ) d. (, ). 6.
2 7. a. (, ) b. infinitel man solutions c. (, 9) d. no solution 8. a. (, ) b. no solution c. (, 8) d. infinitel man solutions 9. a. no solution b. (, ) c. (6, ) d. infinitel man solutions Graph the inequalit in a coordinate plane. 0. a. 6 c x x 6
3 Amount of Soda Amount of Soda Amount of Soda Amount of Soda b. 6 d x x 6.. You have $0 to spend on cand and soda. Cand is $.00 and soda is $.0. Assume x represents the amount of cand and is the amount of sodas purchased. Write and graph the inequalit. a. c x Amount of Cand x Amount of Cand b. 0 d x Amount of Cand x Amount of Cand Graph the sstem of linear inequalities.
4 . a. c. x x b. d. x x. a. c. x x
5 b. d. x x Write a sstem of linear inequalities represented b the graph.. x
6 6. x 7. In solving the sstem of linear equations below, which of the following are valid substitutions? 8. Match each sstem of equations to its solution. a. (, ) c. (, ) b. (, ) d. (9, )
7 . You have 8 minutes to exercise at the gm. The elliptical trainer burns 9 calories per minute, while the treadmill burns 8 calories per minute. You want to burn 00 calories total using both machines. How much time should ou spend on each machine?. A science teacher ordered $980 worth of microscopes and dissection kits for the new science lab. A total of 8 microscopes and 7 dissection kits were ordered. A microscope costs four times as much as a dissection kit. Write a sstem of linear equations that represents this situation. What is the cost of each item?. You have $6 to spend at the carnival one night. Shooting free throws costs $ per game, and plaing ring toss costs $ per game. You want to pla at least 6 games that night. a. Write and graph a sstem of linear inequalities that represents this situation. b. Identif and interpret one solution of the sstem.
8 Chapter Answer Section. ANS: B PTS: DIF: Level REF: Algebra Sec.. KEY: sstem of linear equations solution of a sstem of linear equations checking solutions of sstems of linear equations NOT: Example. ANS: D PTS: DIF: Level REF: Algebra Sec.. KEY: sstem of linear equations solution of a sstem of linear equations solving sstems of linear equations b graphing solving sstems of linear equations NOT: Example. ANS: D PTS: DIF: Level REF: Algebra Sec.. KEY: sstem of linear equations solution of a sstem of linear equations solving sstems of linear equations b graphing solving sstems of linear equations NOT: Example. ANS: C PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations b substitution sstem of linear equations solving sstems of linear equations NOT: Example. ANS: C PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations b substitution sstem of linear equations solving sstems of linear equations NOT: Example 6. ANS: A PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations b substitution sstem of linear equations solving sstems of linear equations NOT: Example 7. ANS: D PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations no solution sstem of linear equations NOT: Example 8. ANS: C PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations sstem of linear equations NOT: Examples and 9. ANS: D PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations infinitel man solutions sstem of linear equations NOT: Example 0. ANS: A PTS: DIF: Level REF: Algebra Sec..6 NAT: HSA-CED.A. HSA-REI.D. KEY: half-planes NOT: Example. ANS:
9 6 6 6 x 6 PTS: DIF: Level REF: Algebra Sec..6 NAT: HSA-CED.A. HSA-REI.D. KEY: linear inequalit in two variables graph of a linear inequalit in two variables NOT: Example. ANS: B PTS: DIF: Level REF: Algebra Sec..6 NAT: HSA-CED.A. HSA-REI.D. KEY: application linear inequalit in two variables graph of a linear inequalit in two variables writing linear inequalities in two variables NOT: Example -. ANS: A PTS: DIF: Level REF: Algebra Sec..7 NAT: HSA-CED.A. HSA-REI.D. KEY: sstem of linear inequalities graph of a sstem of linear inequalities graphing sstems of linear inequalities NOT: Example. ANS: A PTS: DIF: Level REF: Algebra Sec..7 NAT: HSA-CED.A. HSA-REI.D. KEY: sstem of linear inequalities graph of a sstem of linear inequalities graphing sstems of linear inequalities NOT: Example. ANS: A PTS: DIF: Level REF: Algebra Sec..7 NAT: HSA-CED.A. HSA-REI.D. KEY: sstem of linear inequalities graph of a sstem of linear inequalities writing sstems of linear inequalities NOT: Example 6. ANS: A PTS: DIF: Level REF: Algebra Sec..7 NAT: HSA-CED.A. HSA-REI.D. KEY: sstem of linear inequalities graph of a sstem of linear inequalities writing sstems of linear inequalities NOT: Examples and 7. ANS: A, D PTS: DIF: Level REF: Algebra Sec.. KEY: solving sstems of linear equations b substitution sstem of linear equations solving sstems of linear equations NOT: Combined Concept 8. ANS: A PTS: DIF: Level REF: Algebra Sec.. NAT: HSA-CED.A. HSA-REI.C. HSA-REI.C.6 KEY: solving sstems of linear equations b elimination sstem of linear equations solving sstems of linear equations NOT: Combined Concept 9. ANS: C PTS: DIF: Level REF: Algebra Sec.. NAT: HSA-CED.A. HSA-REI.C. HSA-REI.C.6 KEY: solving sstems of linear equations b elimination sstem of linear equations solving sstems of linear equations NOT: Combined Concept
10 Ring toss game 0. ANS: B PTS: DIF: Level REF: Algebra Sec.. NAT: HSA-CED.A. HSA-REI.C. HSA-REI.C.6 KEY: solving sstems of linear equations b elimination sstem of linear equations solving sstems of linear equations NOT: Combined Concept. ANS: D PTS: DIF: Level REF: Algebra Sec.. NAT: HSA-CED.A. HSA-REI.C. HSA-REI.C.6 KEY: solving sstems of linear equations b elimination sstem of linear equations solving sstems of linear equations NOT: Combined Concept. ANS: 6 minutes on the elliptical trainer, minutes on the treadmill PTS: DIF: Level REF: Algebra Sec.. KEY: application sstem of linear equations solving sstems of linear equations NOT: Example -. ANS: microscope: $80; dissection kit: $0 PTS: DIF: Level REF: Algebra Sec.. KEY: application solving sstems of linear equations writing sstems of linear equations NOT: Example -. ANS: a x Free throw game b. Sample answer: ; Shoot free throws 7 times and pla ring toss times. PTS: DIF: Level REF: Algebra Sec..7 NAT: HSA-CED.A. HSA-REI.D. KEY: application sstem of linear inequalities writing sstems of linear inequalities graphing sstems of
11 linear inequalities NOT: Example 6-
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