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Mathematics 10 Online
OpenStudy (anonymous):

select the graph that represents the equation (x-6) squared + (y+7) squared = 16

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

SOMEONE PLZ HELP!

OpenStudy (bee_see):

\[\sqrt{16}=??\]

OpenStudy (anonymous):

4

OpenStudy (bee_see):

yup, that's your radius

OpenStudy (bee_see):

now you have to find the center,which is (h,k). Just think...we have (x-6)^2, right? what's the opposite of -6?

OpenStudy (anonymous):

6

OpenStudy (bee_see):

right

OpenStudy (bee_see):

look at (y+7)^2, what's the opposite of 7?

OpenStudy (anonymous):

-7

OpenStudy (bee_see):

right. So your radius=4 and your center (h,k)=(6, -7). Look at the circle that fits these things.

OpenStudy (anonymous):

idk none make sense to me

OpenStudy (bee_see):

plot (6, -7). That's the center of your circle. and then stretch out 4 units do the right, the the left, and up and down.

OpenStudy (bee_see):

to the*

OpenStudy (anonymous):

i move 4 times each side??

OpenStudy (anonymous):

from the circles point

OpenStudy (anonymous):

pretty sure its a or b

OpenStudy (anonymous):

@rational

OpenStudy (bee_see):

Yes, move 4. What's the answer?

OpenStudy (anonymous):

its b thx

OpenStudy (bee_see):

Yes, sorry for taking so long answering. my Internet was acting up.

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