korosh23
  • korosh23
Pre-calculus 12 Question! Please wait for the attachment
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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korosh23
  • korosh23
1 Attachment
alivejeremy
  • alivejeremy
its b
korosh23
  • korosh23
I don't want answer. I want explanation.

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alivejeremy
  • alivejeremy
oh ok
alivejeremy
  • alivejeremy
u want me to teach u
korosh23
  • korosh23
Yes please
alivejeremy
  • alivejeremy
ok
alivejeremy
  • alivejeremy
ok
korosh23
  • korosh23
So?
amistre64
  • amistre64
there are 2 different questions there ... those arent options so, what is your definition of a radical? is that the sqrt function or something more general?
korosh23
  • korosh23
It is the square root function. |dw:1444575818648:dw|
korosh23
  • korosh23
|dw:1444575834121:dw|
amistre64
  • amistre64
your end point is the 'vertex' it is how we define the translation of it
korosh23
  • korosh23
ok
amistre64
  • amistre64
if we subtract the end point from the points given we can normalize it to the origin
korosh23
  • korosh23
ok, actually I did part a to point. I just do not understand something. Can I ask you? It saves a lot of time
amistre64
  • amistre64
2,5 6,1 -2-5 -2-5 ----------- 0,0 4,-4 might be simpler to visualize
amistre64
  • amistre64
sure
korosh23
  • korosh23
|dw:1444575990367:dw|
korosh23
  • korosh23
Assuming that the vertex is (0,0) like what you mentioned. We can see that we have a vertical translation of 5 uunits up , so k=5 horizontal translation of 2 units right h=2 reflection in x-axis, so a is -. However, I do not know how to find the value of a
amistre64
  • amistre64
|dw:1444583364743:dw|
amistre64
  • amistre64
since we have normalized it to the origin, h and k = 0
amistre64
  • amistre64
a sqrt(x) = -4, when x=4 a sqrt(4) = -4 2a = -4 etc ...
korosh23
  • korosh23
Could you please tell me how did you get the point (4,-4)?
amistre64
  • amistre64
again, i subtracted the vertex (the end point) from the stated points so that the end point is at 0,0 do you agree that (2,5) - (2,5) = (0,0) ?
korosh23
  • korosh23
yes
amistre64
  • amistre64
not sure how you study this, some people do a translation T(x-2,y-5)
amistre64
  • amistre64
so we have to pass thru the point (6,1), translated to (6-2,1-5)
korosh23
  • korosh23
right! that is awsome :)
korosh23
  • korosh23
that is the answer.
amistre64
  • amistre64
i would hope so lol
korosh23
  • korosh23
@amistre64 thank you for your help my friend. :)
amistre64
  • amistre64
youre welcome, and good luck ;)
korosh23
  • korosh23
thanks

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