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Mathematics 10 Online
OpenStudy (hang254):

Can someone check my answer? (3, 1) Triangle XYZ is shown on the coordinate plane below. If triangle XYZ is reflected across the line y=1 to create triangle X'Y'Z', what is the ordered pair of X'? (3, 3) (3, 1) (-1, -1) (-3, -1)

OpenStudy (hang254):

OpenStudy (hang254):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

What's the distance from the point X to the line y = 1 ?

jimthompson5910 (jim_thompson5910):

in other words, how many units do you have to go up to go from X to the line y = 1 ?

OpenStudy (cwrw238):

x' coordinate will be 3 because x cood of x is 2 down from y=1

OpenStudy (hang254):

the distance of point x from y=1 is 2 units up @jim_thompson5910

jimthompson5910 (jim_thompson5910):

good, so go another 2 units up from y = 1 (keep the x coordinate the same)

jimthompson5910 (jim_thompson5910):

what do you get?

OpenStudy (hang254):

sorry for the wait. you would get 3,3

OpenStudy (hang254):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

yes you got it hang254

OpenStudy (hang254):

Thank you

jimthompson5910 (jim_thompson5910):

yw

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