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What do you think it is?

c or d

look at the table what do you see

describe what do you see

each number is *3

look clearly at the months and the heights do you see any kind of pattern

oh good eyes

so we are multiplying here by 3

ya

so for the 12 moth what are we gonna get

um not sure

well you just said we are multiplying by 3

oh

36

for the 12th month

good! so which answer choices have 36 cm

the correct answer is D

ok but what guarantees that?

just because you 36 does not guarantee it is correct

becuase we are trying to find the 12th month and 12*3 = 36 and D is the only one with 36

what if we had two answer choices that have 36 on them

yes in this case you are safe

then i would keep going and keep problem solving

but to confuse you i would have put 36 in more than one and you won't be sure anymore

ok

i'm not sure how to work that.

you have to find that model through the table

ok can you help me with that?

let's take the months as our x (input)
and height as our out put
ok

ok

y=3x as you said yourself according to table

ya

you give me an x i multiply by 3 to get y the height

so the kind of relation we have here is linear (direct relation)

ya

now what we do is go to options and see which exactly y=3x

in this case we know already it has to be y-9=3(x-3)

ya thats easy to find

if you solve that for y you get y=3x-9+9=3x which is the right one

the answer is still D

i was just teaching how to do more of this problems

thanks so much most people on here just pop in and don't explain much i faned you for sure!

sometimes they will confuse yoiu

thanks gonna close this now:)

no problem :) i'm pleased to help