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Mathematics 7 Online
OpenStudy (anonymous):

When the point (-3, 2) is reflected across the y-axis, what is the resulting image? A. (-3,2) B. (3,-2) C. (2,-3) D. (3,2)

jimthompson5910 (jim_thompson5910):

were you able to get anywhere?

jimthompson5910 (jim_thompson5910):

Are you able to plot the point (-3,2) on a xy grid?

jimthompson5910 (jim_thompson5910):

How far is that from the y axis?

jimthompson5910 (jim_thompson5910):

Here's a blank xy axis |dw:1397431061117:dw|

jimthompson5910 (jim_thompson5910):

The y axis is vertical and the x axis is horizontal

jimthompson5910 (jim_thompson5910):

To plot (-3, 2), we start at (0,0) and go 3 units to the left and then 2 units up |dw:1397431126383:dw|

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