mkleinert55701 mkleinert55701
  • 08-04-2024
  • Mathematics
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The equation of a parabola is y = 1/4x² − 2x + 1. What is the equation of the directrix?
1. ​​y = 1 ​​
2. y = −2
3. y = −3
4. y = −4

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