3 years ago

8

Mathematics

1 answer:

irina1246 [14]3 years ago

8 0

Answer:

Yes but there is only one way to check they are an ordered pair.

This is done by using simultaneous equations

ascending line is y = 2x + 9

descending line is y = -2x + 7

The ordered coordinates can be checked ( -4, 1)

2 (-4) + 9(1) = 1

and

-2 (4) +7 (1) = -1

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