This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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5 stepsAnswer
24`.
The center of the circle is (1, 3/4) and the radius is sqrt(217) / 4.
Here are the steps to determine the center and radius:
Expand and simplify the given equation:
The equation is 1/2x(4x-8) + 1/4y(8y-12) = 24.
Expand the terms:
(1/2x)(4x) - (1/2x)(8) + (1/4y)(8y) - (1/4y)(12) = 24
2x^2 - 4x + 2y^2 - 3y = 24
Divide by the coefficient of x² and y² to make them 1:
Divide the entire equation by 2:
x^2 - 2x + y^2 - (3/2)y = 12
Rearrange terms and complete the square for x and y:
Group the x-terms and y-terms:
(x^2 - 2x) + (y^2 - (3/2)y) = 12
To complete the square for x^2 - 2x, take half of the coefficient of x (-2), which is -1, and square it (-1)^2 = 1.
To complete the square for y^2 - (3/2)y, take half of the coefficient of y (-3/2), which is -3/4, and square it (-3/4)^2 = 9/16.
Add these values to both sides of the equation:
(x^2 - 2x + 1) + (y^2 - (3/2)y + 9/16) = 12 + 1 + 9/16
Rewrite in standard form of a circle (x-h)² + (y-k)² = r²:
(x - 1)^2 + (y - 3/4)^2 = 13 + 9/16
Calculate the right side:
13 + 9/16 = (13 * 16)/16 + 9/16 = 208/16 + 9/16 = 217/16
So the equation in standard form is:
(x - 1)^2 + (y - 3/4)^2 = 217/16
Identify the center and radius:
Comparing this to (x-h)^2 + (y-k)^2 = r^2:
The center (h, k) is (1, 3/4).
The radius squared r^2 is 217/16.
The radius r is sqrt(217/16) = sqrt(217) / sqrt(16) = sqrt(217) / 4.
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The center of the circle is (1, 3/4) and the radius is sqrt(217) / 4. Here are the steps to determine the center and radius: 1.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.