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AleksAgata [21]
3 years ago
7

What is the standard form of the equation for this circle?

Mathematics
2 answers:
Georgia [21]3 years ago
5 0
Hello,

Center:(4,-5); radius=5.5

Equation is (x-4)²+(y+5)²=5.5²

5.5²=30.25
Answer B 

Ronch [10]3 years ago
5 0

Answer:  The correct option is

(B) (x-4)^2+(y+5)^2=30.25.

Step-by-step explanation:  We are given to select the correct standard form of the equation of the circle shown in the figure.

The standard equation of a circle with center at the point (h, k) and radius of length r units is given by

(x-h)^2+(y-k)^2=r^2~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~``(i)

For the given circle, as noted from the figure, we have

center, (h, k) = (4, -5) and  radius, r = 5.5 units.

Therefore, from equation (i), we get

(x-4)^2+(y-(-5))^2=(5.5)^2\\\\\Rightarrow (x-4)^2+(y+5)^2=30.25.

Thus, the required equation of the given circle is (x-4)^2+(y+5)^2=30.25.

Option (B) is CORRECT.

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