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what's the slope and y-int of the first function?
(– 2, 2) and (– 1, – 1)
ok, what's the slope?
o i have no idea
plug in the points to find the slope
that's right, the slope is -3
now what is the y-intercept
i dont get it
where does the line cross the vertical axis
correct, that's the y-intercept
so thats for the first funtion
ya, what is the slope and y-int for the second function?
would the slope be 3
ya, and the y-int?
the third one is a little abstract
we'll make the days of the week x and the number of apples y
monday will be 0 and tuesday will be one
points are (0,4) and (1,1)
so that would be for my slope correct?
so the slope is -3 and the y-int would be 4?
would i need to the formula i just used for the last one
first find the slope
i got 12/4
the y-intercept takes a little bit of algebra
so it would be 3
so the equation of the line is y=3x+b where b is the y-int
plug in one of the points for x and y and solve for b
lets use the point (2,10)
solve for b
do i multiply 3 and 2 and get 6 then divide?
3(2) is 6
what is the last step?
o its 4
THANK YOU SOOOOOO MUCHHHH