College Algebra CLEP Practice Exam 2025 – Complete Exam Prep

Question: 1 / 410

What is the equation of the circle with diameter of 8 with the endpoints being (3, 0) and (11, 0)?

r2 = 64

x2 + y2 = 49

x2 + y2 = 64

The equation for a circle is (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center of the circle and r is the radius.

Option A and D have incorrect values for the radius, as 8 divided by 2 is not equal to 64 or 49.

Option B has incorrect values for the center of the circle, as the coordinates given in the question do not correspond to a center at (0,0).

Therefore, option C is the correct answer, as it correctly represents a circle with a diameter of 8 and endpoints at (3,0) and (11,0), with a center at (7,0).

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r2 = 49

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