SAT Math Practice Question #2539 (Medium) | Test Citadel
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SAT Math Difficulty: Medium

Digital SAT Math Practice Question #2539

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

A circle with radius 4 is centered at $(-1, 2)$. What is its standard equation?
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Geometry & Trig Rule: Always sketch the triangle or circle and check for standard Pythagorean triples (3-4-5, 5-12-13, 7-24-25, 8-15-17).

Masterclass Solution & Distractor Trap Analysis

Standard form: $(x - (-1))^2 + (y - 2)^2 = 4^2 \implies (x + 1)^2 + (y - 2)^2 = 16$....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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