Find the focus of the parabola given by the equation y^2 = 12x.

Practice Questions

Q1
Find the focus of the parabola given by the equation y^2 = 12x.
  1. (3, 0)
  2. (0, 3)
  3. (0, 6)
  4. (6, 0)

Questions & Step-by-Step Solutions

Find the focus of the parabola given by the equation y^2 = 12x.
  • Step 1: Identify the given equation of the parabola, which is y^2 = 12x.
  • Step 2: Recognize that the standard form of a parabola that opens to the right is y^2 = 4px.
  • Step 3: Compare the given equation y^2 = 12x with the standard form y^2 = 4px to find the value of 4p.
  • Step 4: From the equation, we see that 4p = 12.
  • Step 5: To find p, divide both sides of the equation by 4: p = 12 / 4.
  • Step 6: Calculate p, which gives p = 3.
  • Step 7: The focus of the parabola is located at the point (p, 0).
  • Step 8: Substitute the value of p into the focus point: (3, 0).
  • Parabola Standard Form – Understanding the standard form of a parabola (y^2 = 4px) and how to identify parameters.
  • Focus of a Parabola – Knowing that the focus of a parabola in the form y^2 = 4px is located at (p, 0).
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