What is the focus of the parabola given by the equation y^2 = 20x?

Practice Questions

Q1
What is the focus of the parabola given by the equation y^2 = 20x?
  1. (5, 0)
  2. (0, 5)
  3. (0, -5)
  4. (10, 0)

Questions & Step-by-Step Solutions

What is the focus of the parabola given by the equation y^2 = 20x?
  • Step 1: Identify the given equation of the parabola, which is y^2 = 20x.
  • 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 = 20x with the standard form y^2 = 4px.
  • Step 4: From the comparison, identify that 4p = 20.
  • Step 5: Solve for p by dividing both sides of the equation by 4: p = 20 / 4.
  • Step 6: Calculate p, which gives p = 5.
  • Step 7: The focus of the parabola is located at the point (p, 0).
  • Step 8: Substitute the value of p into the focus coordinates: (5, 0).
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