Question

Which inequality best models the situation if variable d is the distance in kilometers?

Matt wants to run more than 12.25 kilometers each weekend. Show the possible distances he may run.

A.
d < 12.25 and d may be a negative number.

B.
d <12.25 and d must be a positive number.

C.
d > 12.25 and d may be a negative number.

D.
d > 12.25 and d must be a positive number.

Answer 1

@welshfella

Answer 2

i think its C

Answer 3

well the symbol for more that is > right?

Answer 4

yeah

Answer 5

- and 12.25 is a positive number

Answer 6

yes

Answer 7

@welshfella

Answer 8

So we know that we are using the > sign not the < sign, so what choices are your pssible answer?

Answer 9

(hint there will be two)

Answer 10

b and c

Answer 11

?

Answer 12

B ???

Answer 13

i think C is that right?

Answer 14

@sammixbᴏᴏ

Answer 15

If you want the distance to be more than 12.25, that means it has to be positive, right?

Answer 16

yeah

Answer 17

So it can't be C, because it says d could possibly be a NEGATIVE number

Answer 18

ok

Answer 19

So that rules out A and C.

Remember we are only using the > sign not the < sign, so our answer is...?

Answer 20

so its B!

Answer 21

What sign is B using?

Answer 22

< or >

Answer 23

>

Answer 24

Take another look

Answer 25

whoopsie doopsie <

Answer 26

Yes, so that means B isn't our answer, leaving us with what choice?

Answer 27

D

Answer 28

RIght :)

Answer 29

so its D