Which of the following equations represents a circle with a center at (0, 0) and a radius of 5?

Practice Questions

1 question
Q1
Which of the following equations represents a circle with a center at (0, 0) and a radius of 5?
  1. x^2 + y^2 = 5
  2. x^2 + y^2 = 25
  3. x^2 - y^2 = 25
  4. x^2 + y^2 = 10

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following equations represents a circle with a center at (0, 0) and a radius of 5?
Solution: The standard equation of a circle with center (0, 0) and radius r is x^2 + y^2 = r^2. Here, r = 5, so r^2 = 25.
Steps: 0

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