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Mathematics 10 Online
OpenStudy (gabylovesyou):

Choose the correct description of the graph of the compound inequality x - 2 > -4 and 3x

OpenStudy (gabylovesyou):

A number line with an open circle on -2, shading to the left, and a closed circle on 5, shading to the right. A number line with a closed circle on -2, shading to the left, and an open circle on 5, shading to the right. A number line with an open circle on -2, a closed circle on 5, and shading in between. A number line with a closed circle on -2, an open circle on 5, and shading in between.

OpenStudy (anonymous):

\[x \neq 5\] x > -2 Are those the two equations?

OpenStudy (gabylovesyou):

yup

OpenStudy (anonymous):

Well then x > -2 has an open circle on -2 and must be shaded to the right since the x intercepts have to be greater than -2. Next, if x can not equal 5, you have another open circle on 5 and shade between. Do you understand?

OpenStudy (gabylovesyou):

C????????? And im sorry i had no clue what u ment by "x \neq 5 x > -2 Are those the two equations?

OpenStudy (anonymous):

No the answer is D. I said open circle on 5. Here is how i got the two equations: x - 2 < -4 and \[3x \neq 15\] For the first equation just add 2 to the -4 to get x by itself. The other equation you just divide 15 by 3. Understand?

OpenStudy (gabylovesyou):

ohhh yea :)

OpenStudy (gabylovesyou):

wait no , u said open circle on -2

OpenStudy (gabylovesyou):

@Brybro

OpenStudy (anonymous):

Yea you have open circles on both -2 and 5. You only have a closed circle if the > had a dash underneath it. That means is is greater than or EQUAL too.

OpenStudy (gabylovesyou):

ohhh so its D alright

OpenStudy (anonymous):

Yep.

OpenStudy (anonymous):

x - 2 > -4 and 3x </= 15 gaby... is this your inequalities: \(\large x - 2 > -4 \\ and \\ 3x \le 15 \) ???

OpenStudy (gabylovesyou):

idk what that is :/

OpenStudy (anonymous):

Does the second equation have the = with a line across it or does it have < with a dash underneath it?

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