Thanks in advance for adding review comments to this page
Judy

Review Log:
Feb 10 - RI

Scene 7
RI:Is "The equation of each of these functions gives information about the transformation that can be applied to the graph of y = sin x to get their graphs." better? Better enough to redo it? I was a little unsure what "the function" at the end of your sentence referred to. Scene 8
RI- these words clear up any confusion in Scene 7 Scene 10
RI- is vertical transformations a standard enough description? transformations in the vertical direction? Scene 12
RI- I might have mimicked the instructions from Scene 11. Scene 13
RI- vertical reflection is a new term to me. Reflection in a horizontal line isn't, but I know what you are trying to do. Scene 14
RI- I found the directness of the statement "the graph of y=asinx is a vertical stretch and reflection of the graph of y=sinx." raised questions in my mind - both about the is and the and.
RI Alternative? "...the graph of y = asinx is the image of the graph of y=sinx under both a vertical stretch and a reflection." or even "under a composition of a vertical stretch with/and a reflection". Scene 15
RI- like Scene 14 Scene 18
RI- is horizonal translation to the right better? Should we use this opportunity to ask about d=360 degrees?
Scene 19
RI- I don't like the double negative at the top, I would prefer brackets around d.;I really like what the Show button does. Scene 20
RI- up until now the green reference graph was y=sinx - I think the user's attention should be drawn to the fact that this not the standard sine function. The green graph should perhaps be red and the other graph a new colour altogether. Some words to point out this fact would help too. Scene 21
RI- nice point. Scene 24
RI- I expected to see "phase shift" in the blue box of key properties and have it mentioned in the analysis of y= sin(x-d). General
RI I would characterize all of the above questions and suggestions as being unnecessary to address prior to the conference (except maybe Scene 19 and Scene 20 - since they don't involve re-recording). The rest we can tease out after the conference.

## C07A01

Thanks in advance for adding review comments to this pageJudy

Review Log:

Feb 10 - RI

Scene 7RI:Is "The equation of each of these functions gives information about the transformation that can be applied to the graph of y = sin x to get their graphs." better? Better enough to redo it? I was a little unsure what "the function" at the end of your sentence referred to.

Scene 8RI- these words clear up any confusion in Scene 7

Scene 10RI- is vertical transformations a standard enough description? transformations in the vertical direction?

Scene 12RI- I might have mimicked the instructions from Scene 11.

Scene 13RI- vertical reflection is a new term to me. Reflection in a horizontal line isn't, but I know what you are trying to do.

Scene 14RI- I found the directness of the statement "the graph of y=asinx

isa vertical stretchandreflection of the graph of y=sinx." raised questions in my mind - both about theisand theand.RI Alternative? "...the graph of y = asinx is the image of the graph of y=sinx under both a vertical stretch and a reflection." or even "under a composition of a vertical stretch with/and a reflection".

Scene 15RI- like Scene 14

Scene 18RI- is horizonal translation

to the rightbetter? Should we use this opportunity to ask about d=360degrees?Scene 19

RI- I don't like the double negative at the top, I would prefer brackets around d.;I really like what the Show button does.

Scene 20RI- up until now the green reference graph was y=sinx - I think the user's attention should be drawn to the fact that this not the standard sine function. The green graph should perhaps be red and the other graph a new colour altogether. Some words to point out this fact would help too.

Scene 21RI- nice point.

Scene 24RI- I expected to see "phase shift" in the blue box of key properties and have it mentioned in the analysis of y= sin(x-d).

GeneralRI I would characterize all of the above questions and suggestions as being unnecessary to address prior to the conference (except maybe Scene 19 and Scene 20 - since they don't involve re-recording). The rest we can tease out after the conference.

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