216 CHAPTER 4 Equations 4.1 Exercise Set MyMathLab Determine whether each given ordered pair is a solution of each system. See Example 1. YO {2 (2, -1) y=3 (-3,1) х y = 4 1. 2 2x+ 10y = 4 2x- 4y 8 f2x - 3y - 1 Зу 3 J2x - 5y =-1 (3, 5) Sy =-2 (4,2) 3. 4. 3x+ 4y = 4 4x + 2y = -2 ie ta sno fy = -5x 5. lx = -2 Sy= 6 (-2, 10) (-12,6) 6. Lx = -2y 3x+7y =-19 7 -6x { { 2 33 5y+8 = 3 -2 = 3y - 1 4 4x + 5y = -7 8. -8x Зу — mntam bu aranhing See Examnles 2 through 4. Solua

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