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Sagot :

Answer:

11. 3x² + 6 = x

3x² + 6 - x = 0

3x² - x + 6 = 0

  • quadratic
  • standard form: 3x² - x + 6 = 0
  • a: 3
  • b: -1
  • c: 6

12. 10x² = 144

10x² - 144 = 0

  • quadratic
  • standard form: 10x² - 144 = 0
  • a: 10
  • b: 0
  • c: -144

13. 1/3(h - 18) = 0

1/3h - 18/3 = 0

  • not quadratic
  • standard form: 1/3h - 18/3 = 0
  • a: 0
  • b: 1/3
  • c: -18/3

14. 5 = 15y - y²

5 - 15y + y² = 0

y² - 15y + 5 = 0

  • quadratic
  • standard form: y² - 15y + 5 = 0
  • a: 1
  • b: -15
  • c: 5

15. 2x(x - 8) = 10

2x² - 16x = 10

2x² - 16x - 10 = 0

  • quadratic
  • standard form: 2x² - 16x - 10 = 0
  • a: 2
  • b: -16
  • c: -10