Can someone please show me how to work this out? For each of the following quadratic relationships: Find the transformation of the graph y=x2 (two meant to be square) that have taken place So, I don't understand the meaning of transformation??
it just means to tell how it changed from the original parent funtion
function*
oh okay
thank you very much
for example: y=x^2 + 2 would be an upward shift of two units
oh yes. What about something like y=(2(x+1)+3
Im mean y=2(x+1)+3
what is the original?
the second one
is it supposed to be \[y=(x+1)^{2}+3\]
oh sorry it is supposed to be y=2(x-1)2+3
alright. What does the plus three do?
it goes up?
how many units?
3
good. how about the -1 inside the parenthesis
it goes down by 1 unit?
no, if it is going to go down, it would be outside the parenthesis like the three
or does it go to the right 5 units ?
sorry I meant right 1 unit?
yes
and what will the two do?
I don't know what it does now
do you multiply them?
You do, but what happens when you multiply x by a number?
we know what happens when we add a number outside parentheses and when we add one inside, how about multiplication?
well if say you are multiplying x by 48 then it would be 48x?
yes, but what happens to the graph of a parabola when you multiply the x^2 term
I don't know
it will make it taller and skinnier, or shorter and fatter
http://www.purplemath.com/modules/fcntrans2.htm look at this page- it might help some!
does it make it shorter and fatter?
okay thank you I will have a look at that. I need to go now but I will be back online
alright
It will be taller and skinnier btw
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