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OpenStudy (anonymous):
or in other words... Initial value: 20 ; rate of change: -10
OpenStudy (anonymous):
I had already tried and d is wrong :/
OpenStudy (anonymous):
ok....really???
OpenStudy (anonymous):
did u try A
OpenStudy (anonymous):
yes
a and d are wrong
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OpenStudy (anonymous):
new question
OpenStudy (anonymous):
OpenStudy (anonymous):
umm ok one sec
OpenStudy (anonymous):
k
Nnesha (nnesha):
so you gonna try all 4 ? wasting time and points.
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Nnesha (nnesha):
losing *
OpenStudy (anonymous):
rate of change is 2
OpenStudy (anonymous):
but idk bout the initial value
Nnesha (nnesha):
rate of change = slope
\[\huge\rm \frac{y_2-y_1}{x_2-x_1}\] formula to find rate of change plugin in x and y values
in other words difference of y divided by difference of x's
OpenStudy (anonymous):
ok nvm Nnesha can take over then
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Nnesha (nnesha):
initial value) in other words y-intercept
you have to find slope and y-intercept so you can write the equation as y=mx+b where m is slope and b is y-intercept (initial value )
OpenStudy (anonymous):
I dont get it :/
OpenStudy (anonymous):
Im sorry :( read my private
mssg @Nnesha
Nnesha (nnesha):
there is table pick any (x,y)(x,y) values
Nnesha (nnesha):
a*
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OpenStudy (anonymous):
is it b @Nnesha
OpenStudy (anonymous):
@pooja195
Nnesha (nnesha):
how did you get b ?|dw:1452836086408:dw|
Nnesha (nnesha):
|dw:1452836094894:dw|
substitute x and y for the values