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Mathematics 7 Online
OpenStudy (anonymous):

The equation of the graph below is (x + 2) 2 + (y + 4)2 = 4. True False

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

your thoughts?

OpenStudy (anonymous):

false

jimthompson5910 (jim_thompson5910):

why false?

OpenStudy (anonymous):

cause on the graph they are negative

OpenStudy (anonymous):

wait the diameter is right

jimthompson5910 (jim_thompson5910):

but remember from the last problem, I flipped the signs of the numbers after x and y

jimthompson5910 (jim_thompson5910):

go back to that previous post to see what I mean

OpenStudy (anonymous):

ohh ok so it is true

jimthompson5910 (jim_thompson5910):

yeah the center is (-2,-4) which means you'll have (x+2)^2 + (y+4)^2 the radius is 2, so 2^2 = 4 is the number on the right side

jimthompson5910 (jim_thompson5910):

so it is true

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