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Mathematics 15 Online
OpenStudy (anonymous):

Is (2,4) a solution to the equation y = x – 2?

jimthompson5910 (jim_thompson5910):

y = x – 2 4 = 2 – 2 ... plug in (2,4) 4 = 0 ... FALSE

jimthompson5910 (jim_thompson5910):

so (2,4 ) isn't a solution

OpenStudy (anonymous):

Is (-3,-9) a solution to the equation y = 3x?

jimthompson5910 (jim_thompson5910):

use the same technique shown above to find out

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