CHAPTER5REVIEW Solvethelinearsystembysubstitution. 1.-7x–2y=-132.-5x+y=-3 x–2y=113x–8y=24 Solvethelinearsystembyelimination. 3.-4x–2y=-124.-7x–9=8y 4x+8y=-2422–4x=-9y Howmanysolutionsdoesthelinearsystemhave? Explain. 5.x=-3y+286.2x+3y=117.x+2y=3 x+4y=36-4x–6y=-22-2x–4y=-20 Solvethelinearsystem. 8.4x–y=-129.3x–10y=-25 -6x+5y=-320=4x+40y 10.5y=-2x+2011.x+y=10 3x–37=10y-x–2y=-14 12.Solvethelinearsystembygraphing. 4y=2x+12 5x–2y=10 13.Graphthesystemoflinearinequalities. 3x–2y≥-2 x–2y<2 14.Writeasystemoflinearinequalitiesrepresentedby thegraph. 15.Determine whether the ordered pair is a solution of the linear system. (3, 2) 2𝑥 + 3𝑦 = 12 𝑥 − 4𝑦 = −5 16. Marc sold 532 tickets for the school play. Student tickets cost $3 and adult tickets cost $6. Marc’s sales totaled $2490. How many adult tickets and how many student tickets did Marc sell? 17. Graph the inequality 2𝑥 − 5𝑦 ≤ −10 in a coordinate plane. 18. Determine whether the ordered pair is a solution of the inequality. 2y – 5x < 2; (1, 5)
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