Determine the focus of the parabola given by the equation x^2 = 8y.

Practice Questions

Q1
Determine the focus of the parabola given by the equation x^2 = 8y.
  1. (0, 2)
  2. (0, 4)
  3. (2, 0)
  4. (4, 0)

Questions & Step-by-Step Solutions

Determine the focus of the parabola given by the equation x^2 = 8y.
  • Step 1: Identify the given equation of the parabola, which is x^2 = 8y.
  • Step 2: Recognize that the standard form of a parabola that opens upwards is x^2 = 4py.
  • Step 3: Compare the given equation x^2 = 8y with the standard form x^2 = 4py.
  • Step 4: From the comparison, identify that 4p = 8.
  • Step 5: Solve for p by dividing both sides of the equation 4p = 8 by 4, which gives p = 2.
  • Step 6: The focus of the parabola is located at the point (0, p). Since p = 2, the focus is at (0, 2).
  • Parabola Standard Form – Understanding the standard form of a parabola and how to identify its parameters.
  • Focus of a Parabola – Determining the focus based on the value of p derived from the standard form.
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