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Mathematics 13 Online
OpenStudy (anonymous):

The graph below represents which system of inequalities? A) Y < or equal to -2x+3 Y < or equal to x + 3 B) Y > or equal to -2x+3 Y > or equal to x+3 C) Y < or equal to -3x+2 Y < or equal to –x+2 D) Y > -2x+3 Y > x+3

OpenStudy (anonymous):

OpenStudy (anonymous):

@SolomonZelman can you help me with this?

OpenStudy (anonymous):

I know its not D because the line isn't dotted

OpenStudy (solomonzelman):

Right:)

OpenStudy (anonymous):

I dont think its A either

OpenStudy (solomonzelman):

lets go about the lines, one by one. Lets go with the line that goes up. ``` 1) What is it's slope? 2) What is it's y-intercept?

OpenStudy (anonymous):

3?

OpenStudy (solomonzelman):

Then after you tell me the y-intercept, and the slope of this line that is going up (to the right), tell me: ``` 1) Slope 2) Y-intercept `Of the second line

OpenStudy (solomonzelman):

the y-intercept is (0,3) for the line that is going up. that is correct. And the slope?

OpenStudy (anonymous):

0?

OpenStudy (solomonzelman):

the slope is zero, (for the first line) ?

OpenStudy (anonymous):

I think so

OpenStudy (anonymous):

Im not sure :(

OpenStudy (solomonzelman):

I'll label the triangles on the graph, giving you a hint about how to visualize the slope, okay?

OpenStudy (solomonzelman):

OpenStudy (solomonzelman):

can you tell me the slopes of each lines now?

OpenStudy (anonymous):

Im completely lost D:

OpenStudy (anonymous):

I thought we were trying to find the slope of 0,3

OpenStudy (anonymous):

So (2,3) and (-2,1)?

OpenStudy (anonymous):

Hello :o

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