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Sagot :
To determine the center of the circle given by the equation [tex]\((x + 5)^2 + (y - 8)^2 = 1\)[/tex], we need to compare this equation to the standard form of a circle's equation, which is:
[tex]\[ (x - h)^2 + (y - k)^2 = r^2 \][/tex]
In the standard form, [tex]\((h, k)\)[/tex] represents the center of the circle, and [tex]\(r\)[/tex] is the radius of the circle.
Given the equation:
[tex]\[ (x + 5)^2 + (y - 8)^2 = 1 \][/tex]
we can rewrite the terms inside the parentheses to match the standard form [tex]\((x - h)\)[/tex] and [tex]\((y - k)\)[/tex].
Notice that:
[tex]\[ (x + 5)^2 = (x - (-5))^2 \][/tex]
and
[tex]\[ (y - 8)^2 \][/tex]
Thus, comparing this to the standard form [tex]\((x - h)^2 + (y - k)^2\)[/tex], we see that:
[tex]\[ h = -5, \quad k = 8 \][/tex]
So, the center of the circle is:
[tex]\((h, k) = (-5, 8)\)[/tex]
Therefore, the correct answer is:
D. [tex]\((-5, 8)\)[/tex]
[tex]\[ (x - h)^2 + (y - k)^2 = r^2 \][/tex]
In the standard form, [tex]\((h, k)\)[/tex] represents the center of the circle, and [tex]\(r\)[/tex] is the radius of the circle.
Given the equation:
[tex]\[ (x + 5)^2 + (y - 8)^2 = 1 \][/tex]
we can rewrite the terms inside the parentheses to match the standard form [tex]\((x - h)\)[/tex] and [tex]\((y - k)\)[/tex].
Notice that:
[tex]\[ (x + 5)^2 = (x - (-5))^2 \][/tex]
and
[tex]\[ (y - 8)^2 \][/tex]
Thus, comparing this to the standard form [tex]\((x - h)^2 + (y - k)^2\)[/tex], we see that:
[tex]\[ h = -5, \quad k = 8 \][/tex]
So, the center of the circle is:
[tex]\((h, k) = (-5, 8)\)[/tex]
Therefore, the correct answer is:
D. [tex]\((-5, 8)\)[/tex]
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