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A point stays exactly 5 units from the origin. Which equation holds for it?
Ax² + y² = 5
Bx² + y² = 25
Cx + y = 5
Dx² - y² = 25
Answer & Solution
Correct answer: B. x² + y² = 25
A fixed distance from a fixed point gives a circle, and squaring the distance 5 gives x² + y² = 25.
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