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Mathematics 6 Online
OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

Which relation is represented by the arrow diagram? {(3, –2), (3, 0), (1, 1), (4, 3), (6, 4)} {(–2, 3), (0, 3), (1, 1), (3, 4), (4, 6)} {(–2, 1), (0, 3), (1, 3), (3, 4), (4, 6)} {(3, –2), (3, 0), (1, 1), (3, 4), (4, 6)}

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

@mathstudent55

OpenStudy (mathstudent55):

Look in the diagram. What is the first number on the left side with an arrow pointing to a number on the right side?

OpenStudy (anonymous):

-2

OpenStudy (mathstudent55):

By "first" I mean start from the top.

OpenStudy (mathstudent55):

Good. What number does -2 point to with the arrow?

OpenStudy (anonymous):

3

OpenStudy (mathstudent55):

|dw:1445533734284:dw|

OpenStudy (mathstudent55):

Each number on the left side is an x-coordinate. The number it points to on the right side is the y-coordinate.

OpenStudy (mathstudent55):

Next down you have 0. What does 0 point to?

OpenStudy (mathstudent55):

|dw:1445533893402:dw|

OpenStudy (anonymous):

3

OpenStudy (anonymous):

ok

OpenStudy (mathstudent55):

0 also points to 3, so that means point (0, 3)

OpenStudy (mathstudent55):

Now we have (-2, 3), (0, 3) Keep on doing this to every point in the left set and write a list of all ordered pairs. Then compare your list with the choices.

OpenStudy (anonymous):

(-2,3),(0,3),(1,1),(3,4),(4,6)

OpenStudy (mathstudent55):

Exactly. Which choice has those ordered pairs?

OpenStudy (anonymous):

B They are in order like I had writen it down

OpenStudy (anonymous):

Is that right?

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

Hey

OpenStudy (anonymous):

@mathstudent55

OpenStudy (mathstudent55):

Yes, it's B. The order really does not matter. What matters is that you have the same ordered pairs.

OpenStudy (anonymous):

Which relation is displayed in the graph? {(–3, –1), (2, 2), (0, 1), (1, 3) (–2, 4)} {(–3, –1), (–2, 2), (1, 0), (3, 1) (4, –2)} {(–3, –1), (2, –2), (1, 0), (3, 1) (4, –2)} {(–1, 3), (–2, –2), (0, 1), (3, 1) (4, 2)}

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

????

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