Evaluating Expressions
  • 1. x + 11 ; for x = 3
  • 2. 6x ; for x = 9
  • 3. 2y - 13 ; for y = 10
  • 4. -7x + 1 ; for x = -1
  • 5. x + y ; for x = 3 and y = -3
  • 6. xy ; for x = 3 and y = -3
  • 7. x2 + 3 ; for x = 5
  • 8. x2 + 3 ; for x = -5
  • 9. 2(a + 4) ; for a = -3
  • 10. 0.5x - 2y + 3 ; for x = 6 and y = 4
  • 11. x + 2y - z ; for x = 3, y = 0, and z = -1
  • 12. 6ab + 2ac ; for a = -2, b = 5, and c = 10
  • 13. 34 - (3x - 4) ; for x = 9
  • 14. 2x - 5 + 3x + 1 ; for x = 1.5
  • 15. 2x2 - y2 + z2 ; for x = 0, y = -1, z = -2
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