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Mathematics 10 Online
OpenStudy (anonymous):

Look at the circle on the coordinate plane. Sophia wrote the equation of the circle in the center radius form as (x − p)2 + (y − q)2 = 25. The value of p + q is _____.

OpenStudy (anonymous):

OpenStudy (cwrw238):

p and q are the coordinates of the center of circle

OpenStudy (cwrw238):

by observation they are p =3 and q = 2 p+q = 5

OpenStudy (cwrw238):

the radius of circle = sqrt25 = 5 which helps to find center

OpenStudy (anonymous):

ok i was wondering how did u figure that out ..yur a teacher!!! @cwrw238

OpenStudy (cwrw238):

general form of equation of circle is (x-a)^2 + (y - b)^2 = r^2 apologies if u knew this already!

OpenStudy (cwrw238):

no - i just like math

OpenStudy (cwrw238):

lol - i usually call it maths - i've been on this website too long!

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