Question

alg 1 help

Answer 1

A positive correlation between two variables, say X and Y, means that if one increases, the other will too. No correlation means that they are not related. A negative correlation means that as one increases, the other decreases.

Answer 2

umm... (idk much about this so I could be wrong)
yes A would be true
but decrease results in increase would also be considered negative correlation...
so making that they are simply related, would be most accurate
so I would've guessed B

Answer 3

yes D would make the most logical sense...
but there are cars out there that a antiques or collector's items and so the price increases as it gets older...
so go with the one that is more generally correct :)
so B. A car's value depends on its age

Answer 4

I think it's C

Answer 5

negative correlation is when x is increasing, y is decreasing
so points move down from left to right.

Answer 6

They have a negative correlation because as the number of students increases, the number of unoccupied desks decreases.

Answer 7

correct! :)

Answer 8

agreed :)

Answer 9

domain would describe time :)

Answer 10

correct :)

Answer 11

"The height of a candle varies as it burns"
so D :)

Answer 12

yep :)

Answer 13

30 minutes? maybe?

Answer 14

sure :)

Answer 15

independent variable does on x-axis
and since number of pets depends on the number of siblings
then D. number of siblings

Answer 16

"the cost of the shoe depends on its size"
so size is independent.

Answer 17

"no correlation"
A. neither constantly increasing nor decreasing

Answer 18

last digit is dependent on number of letters
y-axis is for the dependent variable
so B last digit

Answer 19

number of pets would be dependent
so B would be correct! :)

Answer 20

C?

Answer 21

the label of the y-axis is the dependent variable.

Answer 22

B? of D? I thin kB

Answer 23

B would be correct :)

Answer 24

as his age increases, the amount of hair decreases
so it will be a negative correlation

Answer 25

last digit depends on number of letters
so D. last digit

Answer 26

Eitherb A or B but I think it's B

Answer 27

B would be correct :)

Answer 28

domain represents independent variable.
D number of siblings

Answer 29

you're welcome :)
and have a nice day :)

Answer 30

it's fine :)

Answer 31

a function has to pass the vertical line test...
as in it x values in a series of coordinates should not repeat.

Answer 32

B

Answer 33

yep :)

Answer 34

I think it might be C or D

Answer 35

I'll guess C :)

Answer 36

I think it's either A or D

Answer 37

umm... it wants you to make it not a function.
so either B or C

Answer 38

ohhh I see, misread it oops

Answer 39

I'm guessing C ?

Answer 40

maybe C? i'm not sure they both look like they could work

Answer 41

yeah I'll go with that

Answer 42

Could be B or D but I'm guessing B?

Answer 43

idk this one :/ sorry

Answer 44

B
http://www.purplemath.com/modules/fcns.htm

Answer 45

#6:

Answer 46

correct! :)

Answer 47

I think this is A

Answer 48

I think so too :)

Answer 49

this might be D?

Answer 50

yep :)

Answer 51

well, I kinda have to babysit my little bro now...

Answer 52

see ya later... ttfn :)
Have a Nice Day!

Answer 53

oh okay thank you for the help today, bye :)have a nice day too