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Mathematics 9 Online
Allison:

-266<19v -14 < v does the sign change to >?

Allison:

@vocaloid

Vocaloid:

no, the answer you have posted is correct it doesn't change because you divide both sides by 19 which is positive, so it retains the sign direction

Allison:

See, I thought I was right, an I double checked it with Mathway and it changed the sign so I wanted to make sure thank you

Allison:

So the line would go to the left on the number line

Vocaloid:

hm since -14 < v that means v is greater than -14, so the arrow would point to the right

Vocaloid:

|dw:1539229442307:dw|

Allison:

The arrow is looking to the left AHHHH okay

iYuko:

(-14, infinity)

Allison:

Thank you Yuko (: and Ollie

iYuko:

use ( to note that -14 is not included like v is greater than -14 not -14 use a bracket is the sign was greater than or equal to but for infinity always use ( or )

iYuko:

if you're including -14 would be [-14,infinity)

iYuko:

in college you won't use open circle closed circle btw

Allison:

Good to know, I'm a sophomore ((((:

iYuko:

high school? they still teach the circles? thats sucks bc in college u use just ( and ]

dude:

if you're including -14 would be [-14,infinity) ;; \(\LaTeX\)== \([-14,\infty)\)

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