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Mathematics 18 Online
OpenStudy (sparklestaraa):

The graph below represents which system of inequalities?

OpenStudy (sparklestaraa):

@Directrix

OpenStudy (sparklestaraa):

@Jhannybean

OpenStudy (jhannybean):

You know the y intercept is 3, by looking at the y-axis, therefore eliminate any answer choices that state otherwise.

OpenStudy (jhannybean):

Since it's a solid line and not dashed, you know it's either \(\le\) or \(\ge\) , so then eliminate any choices that state otherwise.

OpenStudy (sparklestaraa):

its C ?

OpenStudy (sparklestaraa):

No wait sorry is A B or D not C

OpenStudy (sparklestaraa):

@Jhannybean

OpenStudy (jhannybean):

Now analyze the slope for each graph, Notice how one is positive, and one is negative.

OpenStudy (jhannybean):

|dw:1423336392169:dw|

OpenStudy (jhannybean):

So the slope of that line is -2.

OpenStudy (jhannybean):

Now find the slope of the other line, but this time you'll find that you have a positive slope.

OpenStudy (campbell_st):

one method is pick a point that seems to be in both inequalitites (0, 0) then substitute x = 0 and y = 0 to find the pair which are true

OpenStudy (sparklestaraa):

oh its A :D @Jhannybean

OpenStudy (jhannybean):

You got it \(\checkmark\)

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