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nadya68 [22]
3 years ago
11

Find the center and radius of the circle described by the equation x2 + y2 + 6x - 4y - 27 = 0.

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

Step-by-step explanation:

hello :

x²+ y² + 6x - 4y - 27 = 0 means : (x²+6x+9)-9+(y²-4y+4)-4-27 =0

(x+3)²+(y-2)² = 40....standard form when the center is (-3 , 2) and radius √40

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This question has already been answered. Link: brainly.com/question/401246

3 0
3 years ago
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
8_murik_8 [283]

Hey!

-----------------------------------------------

Solution:

= -2.1 + 0.3 + -1.7 + -0.4

= -1.8 + -1.7 + -0.4

= -3.5 + -0.4

= -3.9

-----------------------------------------------

Answer:

a) -3.9

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Hope This Helped! Good Luck!

5 0
3 years ago
how are the ordered pairs 4,9 and 4,-9 similar, and how are they different? Are the two points related by a reflection over an a
eduard
(4,9) is in quarter I and (4,-9) is in quarter IV of the graph. (4,-9) is the point (4,9) reflected over the x-axis. they are similar bc both have 4 as their x coordinate.
5 0
3 years ago
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GalinKa [24]
10,000 in the answer
3 0
3 years ago
This is urgent! i need help plz
Vlad [161]

Answer:

m=5/3

y=5/3 x -5

Step-by-step explanation:

(3,0) , (0,-5)

m=y2-y1/x2-x1

m=-5-0/0-3

m=-5/-3

m=5/3

euation: y=mx+b when x=0 y=b=-5

y=5/3 x -5

check : y=0 , 5x/3=5 then x=15/5=3 correct

8 0
4 years ago
Read 2 more answers
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