Answer:
2(15x+38) and if you simplify it it is 30x+76
Step-by-step explanation:
3x² + 3y² = 75
divide everything by 3
x² + y² = 25
This is a standard equation of a circle.
Center (0,0) and radius = 5
What do you want to find?
Answer:
9x
Step-by-step explanation:
In this case, 9 is being multiplied by a variable (x).
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Answer:
Option (1)
Step-by-step explanation:
Standard equation of the circle is,
(x - h)² + (y - k)² = r²
Here, (h, k) is the center of the circle and 'r' is the radius.
From the figure attached,
Radius of the circle = Distance between the points A and B
= 
= 
= 3
Center of the circle → A(1, -2)
Therefore, equation of the circle will be,
(x - 1)²+ (y + 2)² = 3²
(x - 1)² + (y + 2)² = 9
Option (1) will be the answer.