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Let's just check with the steps, Did you get m ?
the slope :)
ohh, noo i just cross multiplied and divided (:
It's okay, you must find the slope to find the equation of the line :) m = y2-y2/x2-x1 after that, choose any of the given points to plug in the following equation : y - yo= m(x-xo) :)
oh wait a min, wasn't the question find the linear equation?.-.
oh dear, but you wrote that in the previous one >_< lol
the other one was, but not this one lol
oh okay, then you have to use the equation you got in the previous question then plug in x to find y :) since we said that y = height x = number of days when you plug in x, you'll get y, that's it ^_^
so you have an equation in the form of : y = mx + B <-- from the previous question plug in y = 12, to get x = number of days ^_^
what what? ._.
ohh dont worry, I guess that the question forgot to put "assume a linear eqn "
lol , anyhow, did you understand what you have to do now bailey ? ^_^
because otherwise you would assume expxonential growth , but im assuming the asker hasnt done that yet :P
do you know what to do now bailey? :)
kind of (:
:) not convincing me here lol Alright, did you find the equation from the previous question? :)
from this question i got y=x+12
alright, now we said that x = represents the number of days right? and y =height, right?
alright then, the question wants to know how many days would it take a plant to reach 12 inches right? so in this case y = 12, all you'vegot to do is plug it in the equation and find x^_^
got it? :)
so to find x, what would i have to do, combine like trems? or no.
nope you have : y = x + 12 where x = days and y = height = 12 12 = x + 12 x = 0....hmm there's something wrong, are you sure of your equation?
(14,6) ( 30,16) m = (16-6) / (30-14) = (5/8)
m = y2-y1/x2-x1 m = (16-6)/(30 - 14) m = 0.625
taake the first point
y-6 = (5/8) ( x-14)
so it's y=5/8x+12??????????
y= (5/8)x -(11/4)
now plug this in the following : y - yo= m(x-xo) <-- choose any point: y - 12 = 0.625(x-30) y = 0.625x - 6.75
we are both wrong I think
that is your equation, now plug in the 12 inches to find the number of days : 12 = 0.625x - 6.75 0.625x = 18.75 x = 30 So it takes 30 days? .-. LOL there's something wrong >_
IKR i couldnt find the answer either
what are we missing o_o?
wait I am right :P
IDK (: lol
y= (5/8)x -(11/4)
are you sure x = represents the number of days?, oh so my answer is true? LOL
^ thats right
same thing, but mine is in decimal lol, but wait 11/4?
12 = (5/8)x -11/4 (5/8)x = 14.75 x= (8/5) * 14.75 = 23.6 days
which makes sense, its half way between 14 and 30
oh right >_< I've put 12 insteadof 16, sorry sorry , thank you elec ^_^"
I always miss something o_o, my apologies ^_^
thanks darlings, your AMAZING (: