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Mathematics 7 Online
OpenStudy (anonymous):

Shade the solution to the system of inequalities. x < 2 _ y < 3x

OpenStudy (anonymous):

Ahh... into two systems of inequalities now?

OpenStudy (anonymous):

I'm guessing later it will be polygons of constraints. :)

OpenStudy (anonymous):

not sure how to make that little line under the < sign on this page lol hope you understand what I was asking. and yes...two systems now. ugh. lol

OpenStudy (anonymous):

is the line under for the x< 2?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Sure.

OpenStudy (anonymous):

\[x \le 2\] and \[y < 3x\]

OpenStudy (anonymous):

Now from here, graph one at a time. so if you know that x is less than or equal to 2, the make x always equal to 2. (x = 2) so the line will be vertical.

OpenStudy (anonymous):

The line is solid since there is the equal sign and you know that it is less than two so you shade left.

OpenStudy (anonymous):

Now for y<3x, If x is 0 then y is 0 If y is 0 then x is 0 (0,0) Now you can plug in anything into the x to give you another set of coordinates. Let x be 1. y < 3(1) y<3 (1,3) This line is dotted and shaded down since it is less.

OpenStudy (anonymous):

so it's (2,0) solid, and (1,3) dotted is what your saying for my ordered pairs?

OpenStudy (anonymous):

Each equation is a line.

OpenStudy (anonymous):

So you have two lines to draw.

OpenStudy (anonymous):

OpenStudy (anonymous):

The black is shading, the red line is your first system and the green line is your second system.

OpenStudy (anonymous):

It's like the equation from before! Just do one at a time.

OpenStudy (anonymous):

You rule! :) Another one that I got right!

OpenStudy (anonymous):

IF I had a tutor like you all class I'd pass for sure. LOL The way you explain makes it so easy to understand. Half the time I get all upset going ''what do I do!?'' I may survive this class after all. 2 more weeks to go. :)

OpenStudy (anonymous):

Haha, I'm here as often as I can. Just inbox me if you ever need more help or just tag me in your question.

OpenStudy (anonymous):

Thanks so much! :)

OpenStudy (anonymous):

Are you doing polygons of constraints this year?

OpenStudy (anonymous):

More than likely later on in my second class.

OpenStudy (anonymous):

Grade 11?

OpenStudy (anonymous):

Algebra I & II. (College) Math was NEVER my subject. LOL Or I wouldn't be here haha.

OpenStudy (anonymous):

Oh, I see. You'll probably go even further than polygons of constraints but hey, I'm always available :)

OpenStudy (anonymous):

Appreciate it alot! Don't worry I am not afraid to ask questions. See you around. :)

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