X=2y+1

find ordered pairs whose x coordinates are 3 or - 3

Question

Mathematics

Devon

1 October, 23:44

X=2y+1

find ordered pairs whose x coordinates are 3 or - 3

+3

Answers (1)

Know the Answer?

Levine · Answer 1

Substitute the x values into the equation:

when x=3

3=2y+1

2y=2

y=1

So the first coordinate is (3,1)

when x=-3

-3=2y+1

2y=-4

y=-2

So the second coordinate is (-3,-2)

X=2y+1find ordered pairs whose x coordinates are 3 or - 3

X=2y+1

find ordered pairs whose x coordinates are 3 or - 3