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Mathematics 14 Online
Bubbly:

Is this the best line of fit? If so, is y=8/2.5x+1.4 the approximate equation in slope intercept form for the scatter plot?

Bubbly:

RyeBread1:

are there any other lines to compare this one to

Bubbly:

What do you mean? for this problem?

RyeBread1:

yes

RyeBread1:

oh nevermind

RyeBread1:

well no this is not the best line of fit. as you can see the dots dont match up with the line so the answer would be no and therefore since the answer is no i do not have to answer the second part

Bubbly:

so how can I make it the best line of fit?

RyeBread1:

you just have to find the right equation that fits with the dots

Bubbly:

so choose two dots that are on the line the best then, do find the slope and the y-intercept

RyeBread1:

sure you have to find the slope and y-intercept to find the best line that works

Bubbly:

(0.5,3) and (2.5,9)?

Bubbly:

@jhonyy9 what do you think?

RyeBread1:

lol honestly i have no idea

Bubbly:

lol, That's okay, it this a better line of fit?

RyeBread1:

it looks the same

Bubbly:

I know, i'm trying to figure out how to match it up with the dots like you said earlier.

jhonyy9:

@Bubbly then you check these two lines so from these the first one is better then the second yes ? just check it

Bubbly:

Okay

RyeBread1:

sorry i wasnt a great help

jhonyy9:

@bubbley check these lines from diagrammes - check the intersection points of ox and oy so like an easy help what you think about points (0.5 , 3 ) and (2.5 , 9) try drawn this line and will see the result

jhonyy9:

@Bubbly ok. ?

Bubbly:

Got it.

jhonyy9:

very nice !!!! hope you understand it now sure have a nice day bye bye

Bubbly:

bye

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