Question

What is the radius of a circle whose equation is (x + 5)^2 + (y – 3)^2 = 42?

Answer 1

Answer:

4 units

Step-by-step explanation:

Answer 2

The equation of a circle centered at point (x1,y1) with a radius r is given by

$(x-x_1)^2 + (y-y_1)^2 = r^2$

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