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Mathematics 21 Online
OpenStudy (anonymous):

will medal

OpenStudy (anonymous):

What are the integer solutions of the inequality |x| < 4? A. –3, –2, –1, 0, 1, 2, and 3 B. 0, 1, 2, 3, and 4 C. –4, –3, –2, –1, 0, 1, 2, 3, and 4 D. 0, 1, 2, and 3

OpenStudy (anonymous):

@KaylaRdz0405

OpenStudy (anonymous):

i think b

OpenStudy (kaylardz0405):

why do u think that

Mehek (mehek14):

it's not B

Mehek (mehek14):

because 4 = 4 not 4<4

OpenStudy (kaylardz0405):

you have to replce each integer with x

OpenStudy (kaylardz0405):

so u can cross out c and b

Mehek (mehek14):

|x| = the number can be positive or negative

OpenStudy (anonymous):

idk so i got c

Mehek (mehek14):

it can't b B or C

Mehek (mehek14):

between A and D

OpenStudy (anonymous):

d

Mehek (mehek14):

no numbers can be + or -

OpenStudy (kaylardz0405):

it is d

Mehek (mehek14):

no it's not x = ±3 x=±2 x=±1 x=0

Mehek (mehek14):

because if you have the lines | | that makes all of the numbers positive you should've learned this stuff in 7th grade absolute value

OpenStudy (mahent1):

@limecake08 it's not D lol

Mehek (mehek14):

@limecake08 take a look at the explanation

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