Question

Which ordered pair is a solution to the following linear system?

y = x

y = –x

Question 3 options:

(0, 0)


(0, 1)


(1, 1)


(1, 0)

Answer 1

(0,0)

How?

Putting values

`\\ \sf\longmapsto y=x`

`\\ \sf\longmapsto 0=0`

And

`\\ \sf\longmapsto y=-x`

`\\ \sf\longmapsto 0=-0`

Hence verified