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Mathematics 8 Online
OpenStudy (periodicninja):

coordinate grid with plotted ordered pairs, point A at negative 5, 4 point B at 4, 7 point C at negative 2, 7 point D at negative 7, 1 point E at 4, negative 2 point F at 1, negative 6 point G at negative 3, negative 10 point H at negative 4, negative 4 point I at 9, 3 point J at 7, negative 4 and point K at 2, 3 The coordinate grid shows points A through K. Which points are solutions to the system of inequalities listed below? 2x + y < 10 2x − 4y > 8

OpenStudy (periodicninja):

E, F, G, H, J E, F, G A, C, D, K A, E, F

OpenStudy (periodicninja):

@Kainui @TheSmartOne

OpenStudy (periodicninja):

@Mehek14

Mehek (mehek14):

Can you attach an image of the graph?

TheSmartOne (thesmartone):

http://prntscr.com/bnzhxi ;p

Mehek (mehek14):

Can't access it

OpenStudy (periodicninja):

Mehek (mehek14):

I don't see points A through K o.o

OpenStudy (periodicninja):

oops wrong one

OpenStudy (periodicninja):

OpenStudy (periodicninja):

lol sorry

Mehek (mehek14):

The solution is the part that's shaded green

OpenStudy (periodicninja):

but is just a bunch of dots

Mehek (mehek14):

Find the ordered pairs of the points and see if they are located in the green part of the grpah

OpenStudy (periodicninja):

how do i graph the equations when thy're in that form?

Mehek (mehek14):

Can you list the ordered pairs of all the points?

OpenStudy (periodicninja):

a b c d e f g h i j k?

Mehek (mehek14):

Yes

OpenStudy (periodicninja):

but how do i graph the equations when they're in that form?

Mehek (mehek14):

Not graph, find the ordered pair (x, y)

OpenStudy (periodicninja):

2x + y < 10 2x − 4y > 8

Mehek (mehek14):

:/ Here I'll do one point H is located at (-4, -4) On the other graph, (-4, -4) is located in the green area. That means Point H is a solution.

OpenStudy (periodicninja):

bu how do you know where the green part is

OpenStudy (periodicninja):

i accidentally posted that. i was working on the next problem while waiting for people to answer this one and you asked for a picture and i forgot to go beck to the previous one. idk anything about where the green is on this one because idk how to graph it in this form

OpenStudy (periodicninja):

this is the right one for the second time

Mehek (mehek14):

https://www.desmos.com/calculator graph the inequalities here

OpenStudy (periodicninja):

it can graph the second one

OpenStudy (periodicninja):

can't

Mehek (mehek14):

2x + y < 10 2x − 4y > 8 Yes it can in the first line put 2x + y < 10 and in the second put 2x − 4y > 8

OpenStudy (periodicninja):

Mehek (mehek14):

Retype the second one sometimes it has issues with the `-` sign

OpenStudy (periodicninja):

ok

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