Determine the equation of a circle whose diameter has the endpoints (–1, 2) and (7, –4). 1) (x – 3)2 + (y + 1)2 = 100
2) (x – 3)2 + (y + 1)2 = 5
3) (x – 3)2 + (y + 1)2 = 25
4) (x – 3)2 + (y + 1)2 = 10

step-by-step explanation:

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

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16 is the coefficient

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