Question

For the equation
x^2+y^2-8x-2y-19=0 do the following.

a. find the center (h,k) and the radius r of the circle.
b. graph the circle.
c. Find the intercepts, if any.

Answer 1

you have to complete the square twice
do you know how to do that?

Answer 2

Yes, I do! I just don't really know how to do that with this problem...

Answer 3

\[x^2-8x+y^2-2y=19\]

Answer 4

half of 8 is 4, half of 2 is 1 go right to
\[(x-4)^2+(y-1)^2=19+4^2+1^2\] and work from there

Answer 5

ok! Thank you! I have to write that down

Answer 6

yes you should write it down
yw

Answer 7

I meant to write it down so i can work it out and transfer it on to my online class... :)

Answer 8

Find the center and radius of a circle with the given equation and then graph the circle.

Answer 9

hello, i do have te answers but i'd like to make sure i have this right before graphing the circle.

Answer 10

HELP ! WILL MEDAL>>
Given the general form of the equation of a circle x^2=10x+y^2-4y+20=0
*Find the corresponding form
* Identify the center and radius

Answer 11

A circle has the equation x^2+y^2+3x-6y+9=0 graph the circle using the center (h,k) and radius r.

Answer 12

Given the general form of the equation of a circle
x2 + 10x + y2 – 4y + 20 = 0
a.

Answer 13

Write the equation of the circle in standard form, find the center, radius, intercepts and graph the circle.

Answer 14

Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.

Answer 15

Write the equation of the circle in standard form.  Find the center, radius, intercepts, and graph the
circle.

Answer 16

Write the equation of the circle in standard form.  Find the center, radius, intercepts, and graph the
circle.

Answer 17

sWrite the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.

Answer 18

\"Great renown she wins for herself, no doubt,\ngreat loss to you in treasure.\"

Answer 19

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Answer 21

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Answer 22

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Answer 23

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Answer 24

A right triangle has side lengths that measure 4 units, 5 units, and \u221a41 units.

Answer 25

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Answer 26

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Answer 27

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Answer 28

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Answer 29

help