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OpenStudy (dannyrod2000):
OpenStudy (anonymous):
(x+3)^2
OpenStudy (anonymous):
do you understand the shifting idea?
OpenStudy (dannyrod2000):
thanks
OpenStudy (dannyrod2000):
yup kinda
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OpenStudy (anonymous):
danny, you are starting from the origin which is 0,0 and shifting either to the left or right... if you are going left, it is (+) and if you are going right, it is (-)
OpenStudy (dannyrod2000):
i know when to put negative a positive
OpenStudy (anonymous):
hopefully that helps you :)
OpenStudy (dannyrod2000):
thanks
OpenStudy (dannyrod2000):
i going to put more of these. do you mind to wait please? @mathstudent55
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OpenStudy (anonymous):
do you want me to help you or @mathstudent55?
OpenStudy (mathstudent55):
When you replace x with x - h, the function shifts h units horizontally. It shifts h units right if h is positive and h units left if h is negative.
Here the original function is f(x) = x^2
A shift of 3 units to the left means h = -3
That means replace x with x - h, x - (-3) = x + 3.
The new function is g(x) = (x + 3)^2
OpenStudy (mathstudent55):
ok
OpenStudy (dannyrod2000):
both
OpenStudy (dannyrod2000):
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OpenStudy (anonymous):
OK, so we shifted 2 units to the right
OpenStudy (mathstudent55):
What shift do you have (how many units and right or left)?
OpenStudy (anonymous):
how do you represent that algebraically?
OpenStudy (dannyrod2000):
wait sry i put wrong one
OpenStudy (dannyrod2000):
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OpenStudy (anonymous):
that is the same one
OpenStudy (dannyrod2000):
can you wait i keep putting wrong one
OpenStudy (dannyrod2000):
OpenStudy (dannyrod2000):
ok there @jtryon
OpenStudy (anonymous):
ok, identify what kind of shift it is, and how far it is shifting in units?
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OpenStudy (dannyrod2000):
it is going right which is negative and also down and it is also negative so do i add the both negatives?
OpenStudy (dannyrod2000):
-4 and -4 is -8
OpenStudy (dannyrod2000):
so (x-8)^2?
OpenStudy (anonymous):
you are only dealing with horizontal shifts, so it is not going down and it is actually shifted to the left
OpenStudy (anonymous):
when you shift to the left, that is positive so it would be (x+3)^2
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OpenStudy (anonymous):
do you see that?
OpenStudy (dannyrod2000):
no
OpenStudy (anonymous):
it is not shifting up or down because you are still on 0 for the y-axis
OpenStudy (dannyrod2000):
nope it is wrong
OpenStudy (dannyrod2000):
it is (x-2)^2-4
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OpenStudy (anonymous):
that is not what you had on the graph
OpenStudy (mathstudent55):
The latest graph you showed is the very first one again. It is a parabola shifted 3 units left.