1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
butalik [34]
3 years ago
6

Find the Center and the radius of the circle x2 + y2 - 6x + 8y- 7 = 0.

Mathematics
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

C(3,-4), r=4*sqrt(2)

Step-by-step explanation:

C(p, q)

x^2+y^2+dx+ey+f=0

p=-d/2, q=-e/2, r^2=p^2+q^2-f

x^2+y^2 - 6x+8y-7=0

p=-(-6)/2=6/2=3

q=-8/2=-4

r^2=3^2 +(-4)^2+7

r^2=9+16+7

r^2=32

r=sqrt(32)

r=sqrt(16*2)

r=4*sqrt(2)

You might be interested in
Can u help me the s solve this problem <br> If 5x-8=37,the x=9
SVEN [57.7K]

Answer:x=9

Step-by-step explanation:

X=9-8=37

(5x9)-8=37

45-8=37

8 0
3 years ago
The dot plot below shows how many apple slices each girl at kaylas party ate which of the following represents the mean of the a
katovenus [111]
The answer to this question is 5.
8 0
3 years ago
HELPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!
aliya0001 [1]

Answer:

use photo math ;) hope this helps

Step-by-step explanation:

it's very good

3 0
3 years ago
Read 2 more answers
Graph the given function and identify the domain and range<br>f(x)=2/3 |x-1|-5
Brilliant_brown [7]
Ok here is a graph
Hope this helps and don’t forget to mark as brainliest if you thought it was most helpful :)

3 0
3 years ago
Triangle ABC had vertices A(0,0),B(3,3),C(6,0). Write the equation of the line containing the altitude AR.
rjkz [21]

The answer is y = x

good luck!!

7 0
3 years ago
Other questions:
  • which one of the following equations describes the line shown below check all that apply (-1,6) (2,-6)
    11·1 answer
  • A Top NBA player can earn about 2.5 x 10 7th power dollars each year. If john earns $40,000 per year at his starting job out of
    5·2 answers
  • Need help on geometry
    6·2 answers
  • 3)Find the Circumference of this circle.<br> 9 in
    15·1 answer
  • On Monday it rained 4 and 1/2 inches. On Tuesday it rained 2 and 3/4 inches. How many more inches did it rain on Monday than it
    14·2 answers
  • Date : n _<br>5+ [ 4 +(-7) -{ 6 ×(5+ 1x4)}]<br><br>​
    10·1 answer
  • Inscribe a circle in a unit square and to r= 1000 random.
    11·1 answer
  • Two angles of a triangle measure 55 and 20 what is the measure of the third angle of the triangle
    5·2 answers
  • Whats a square + b square I don't know thats why I am asking u dude
    8·1 answer
  • Pls help this is homework
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!