Can someone please help me with precalc? Can you just explain it to me please? In the lesson it said nothing about this, but I am sure it's easy, I just really don't understand. Please Help

Use the graph below to show which numbered region belong to the graph of the solution set of each system of questions.

http://assets.openstudy.com/updates/attachments/5405c9a6e4b0f2ed1e14d718-timaashorty-1409665469258-untitled.png

Please explain, don't give me the answer! Thank you so much in advance!

Question

Can someone please help me with precalc? Can you just explain it to me please? In the lesson it said nothing about this, but I am sure it's easy, I just really don't understand. Please Help

Use the graph below to show which numbered region belong to the graph of the solution set of each system of questions.

http://assets.openstudy.com/updates/attachments/5405c9a6e4b0f2ed1e14d718-timaashorty-1409665469258-untitled.png

Please explain, don't give me the answer! Thank you so much in advance!

anonymous · Answer

just a sec, i'll be right back to help

anonymous · Answer

Ok, thank you so much!

anonymous · Answer

first, identify the lines, ingnoring the inequality.

line in #2, identify the line x =0 and the line y = x

anonymous · Answer

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anonymous · Answer

ok so its a vertical line? for x=0?

anonymous · Answer

correct and it divides the plane into 2 regions... which region satisfies the inequality x>= 0?

anonymous · Answer

hmm, if it was > or = to wouldn't that mean that it would be shaded on the right side?

anonymous · Answer

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