Question

Please help will medal and fan!!!!!!!! I came across an interesting problem. Evaluate: 9 – |–9|

Answer 1

@butterflydreamer

Answer 2

what is the modulus of a negative number?

Answer 3

we simply take the positive value inside the modulus...

Answer 4

Is this supposed to be the same as 9-(-9)?

Answer 5

nope

Answer 6

modulus and brackets are different

Answer 7

a modulus takes the positive number inside the |..| so |-1|=1,... |-n|=n

Answer 8

so what would |-9| equal?

Answer 9

9

Answer 10

correct!

Answer 11

Is that it?

Answer 12

nope, so we know |-9|=9 right?

Answer 13

so what is 9-|-9|

Answer 14

Yes

Answer 15

9-|-9|=9-9

Answer 16

What do I do now?

Answer 17

evaluate 9-9

Answer 18

what is that?

Answer 19

0 right?

Answer 20

Would 9-9 be 18?

Answer 21

how did you get that...

Answer 22

all we are doing is subtracting 9 from 9

Answer 23

I tried to follow the rules of intergers.

Answer 24

Then that equals 0.

Answer 25

correct

Answer 26

Is that the answer to the whole problem?

Answer 27

sure is

Answer 28

9-|-9|=0

Answer 29

Well thank you, so much.

Answer 30

np :)