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Which of the following equations represents a circle with a center at (0, 0) and
Practice Questions
Q1
Which of the following equations represents a circle with a center at (0, 0) and a radius of 5?
x^2 + y^2 = 5
x^2 + y^2 = 25
x^2 - y^2 = 25
x^2 + y^2 = 10
Questions & Step-by-Step Solutions
Which of the following equations represents a circle with a center at (0, 0) and a radius of 5?
Steps
Concepts
Step 1: Understand that the standard equation of a circle with center at (0, 0) is x^2 + y^2 = r^2.
Step 2: Identify the radius of the circle, which is given as 5.
Step 3: Calculate r^2 by squaring the radius: 5^2 = 25.
Step 4: Substitute r^2 into the standard equation: x^2 + y^2 = 25.
No concepts available.
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