Which of the following statements best describes the graph of x + y = 4?

It is a line which intersects the x-axis at (4, 4).
It is a line which intersects the y-axis at (4, 4).
It is a line joining the points whose x- and y-coordinates add up to 8.
It is a line joining the points whose x- and y-coordinates add up to 4.

Question

Which of the following statements best describes the graph of x + y = 4?

 It is a line which intersects the x-axis at (4, 4).
 It is a line which intersects the y-axis at (4, 4).
 It is a line joining the points whose x- and y-coordinates add up to 8.
 It is a line joining the points whose x- and y-coordinates add up to 4.

anonymous · Answer

Are there any answers you can eliminate immediately? Hint: Look at the first two, they should look odd.

anonymous · Answer

Yes the first two didn't make any sense to me

anonymous · Answer

Right, because that point is in the middle of Quadrant 1, on neither axis. So between C and D, can you figure out the answer?

anonymous · Answer

D?

anonymous · Answer

You got it! Nice job.

anonymous · Answer

Thanks!