Question

Which line is parallel to the line y=x+7?

1) x+y=-2
2)x=1
3) x-y=5
4)y=1

Answer 1

3

Explanation:

to find the parallel of this line we need to find function with same slope

1) x+y=-2 ⇒ y=-x-2

2)x=1

3) x-y=5 ⇒ y=x-5

4)y=1

so third