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decide whether the part of the waveform that is below the x - axis is a glide reflection of the part that is above. if it is, write the translation using a vector in component form https://watertowngeometry.wikispaces.com/file/view/7_5+Assignment.pdf go to the top of page 5 thos are the four problems i'm doing
if you look at #14, you'll see that you can shift the top part above the x axis til the top squares line up with the bottom squares then you can reflect those top squares over the x axis to get them to match up with the bottom squares so this shows you that #14 has a glide reflection
ok so we know for sure that this is one but what about the rest are those all no glide reflections?
which of the others are glide reflections? which of the others are not glide reflections?
i think number 12 is it is equal on both sides of the x - axis and think 15 is to but 13 isn't
12 and 15 are glide reflections 13 is not all are correct
awesome alright my next problem is that it says that if it is i need to write a translation using a vector in component for. i looked up what a vector means but what is it and what is it in component form?
component form is (x,y) or
ex: <2,3> means you shift to the right 2, and up 3
so then #12 is to the right 4 and down 4 and reflect right?
you need to shift the top then reflect over the x axis to get it to match up with the bottom
ok then 4 to the right and reflect?
how are you getting 4?
well then what would it be like 0.7~9
I count 2 spaces over (or 2 units) so whatever that converts to on the x scale given is the translation you want
see how I'm getting 2 ?
focus on the top squares above the x axis in #14
if you slide them over 2 spots to get them to line up above the bottom squares
oh lol i was talking about #12 sorry
so it would be (2,0)? right
well you have to change that 2 to whatever 2 units corresponds to
notice how the x scale starts at x = 0 and goes to x = 0.1
so 2 units doesn't correspond to 2 if the x scale had each tick mark at a whole number, then it would work
right i have to figure that out so 0.05
what's the distance from 0 to 0.1
you're not counting the edges them being rounded makes it more confusing
what do you mean?
the edges are rounded on the graph and i think how the numbers are placed you are counting them before the tick marks they are supposedly set at
yeah you don't count the starting tick mark, but the answer isn't 10
i thought that 0.0 is the origin in this case right?
0.0 isn't the same as (0,0)
the 0.0 you're looking at refers to x = 0.0 or x = 0
i thought it was cause on any graph it is the start right?
yes they all start at x = 0
and this one ends on 0.10 or 0.1
yes that's what you need to watch out for
so then the vector or whatever would be (0.05,0)
close, but no
then would it be (0.045,0)
each tick mark represents 0.1/8 = ???
good, so 2 of those tick marks represent how many units?
so the translation vector is <0.025, 0> then you reflect over the x axis
so then 15 would be (0.025,0) then reflect across the x
and 12 would be (0.05,0) reflect across the x
am i right?
both are correct
OMG FINALLY I have had this question posted since 6 eastern time and finally it's answered
glad to be of help
well hopefully i will have you help in future posts thanks
so did u ever get wat u need to
oh than close it
u herd me didnt u
jezz calm down dude i will
ok well im not jezz now lay off by the way im am girl
i call everyone dude
oh ok i see do u need help on any other questions
wat grade r u in
nope i just have to study for a spanish test and finish reading a summer reading book but thank you, i'm in 10th grade
ok kool me 7 th but me a straight a student can u help me on my questions
ok well it has to be some where at the bottom