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anonymous
 one year ago
Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applied on trapezoid STUV, as shown below:
What will be the location of U' in the image trapezoid S'T'U'V'?
A. (16, −2)
B. (14, −2)
C. (14, 1)
D. (16, 1)
anonymous
 one year ago
Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applied on trapezoid STUV, as shown below: What will be the location of U' in the image trapezoid S'T'U'V'? A. (16, −2) B. (14, −2) C. (14, 1) D. (16, 1)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@calculusxy @phi @peachpi

phi
 one year ago
Best ResponseYou've already chosen the best response.1pick a point on rectangle JKLM, say point J which is at (5,1) where is point J' ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In my opinion is A, but im not sure i just need an explanation

phi
 one year ago
Best ResponseYou've already chosen the best response.1say point J which is at (5,1) where is point J' ? can you find point J' and "read off" its (x,y) coordinates?

phi
 one year ago
Best ResponseYou've already chosen the best response.1point J prime J' yes, it is at x=4 what is its y ? (its y is not 5)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0y is at 3? im not sure about y

phi
 one year ago
Best ResponseYou've already chosen the best response.1how many "steps up" (or boxes) from the xaxis up to J' ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1Here is a picture counting up 2 steps (see the red numbers?)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohhh, yes i see them

phi
 one year ago
Best ResponseYou've already chosen the best response.1how far up from the xaxis? (2 gets us 1/2 way)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03 then, i really dont know omg

phi
 one year ago
Best ResponseYou've already chosen the best response.1you will get it. you put your finger on the xaxis below J' and count up 1,2,etc until you are at J' (the corner of the rectangle)

phi
 one year ago
Best ResponseYou've already chosen the best response.1the corner of the box (labeled J') is at (4,4) from the "origin" you move sideways 4 steps, then 4 steps straight up.

phi
 one year ago
Best ResponseYou've already chosen the best response.1so J at (5,1) moved to J' at (4,4) what do we add to 5 to make it 4 ? what do we add to 1 to make it 4 ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1ok on the 3 (so remember we add 3 to the y number) but 5+1 = 4 and we want +4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so what do we do? :/

phi
 one year ago
Best ResponseYou've already chosen the best response.1the other way to figure it out is put your finger on J and count how many steps to the right until you are directly under J' (it is more than 1 step)

phi
 one year ago
Best ResponseYou've already chosen the best response.1when I say point J, I mean the corner of the rectangle labeled J it is at (5,1)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i dont get it, the part of counthing steps to the right

phi
 one year ago
Best ResponseYou've already chosen the best response.1can you put your finger on the corner of the rectangle near the label J ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1and move your finger to the right one box, then two boxes, and so on ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay i do that up to where?

phi
 one year ago
Best ResponseYou've already chosen the best response.1keep doing that (and counting) until you are directly under the corner of the rectangle labeled J'

phi
 one year ago
Best ResponseYou've already chosen the best response.1if you count it right, it should take 5 steps to get to the yaxis. and we still have some more steps to get to be under J

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so its more than 5? its not A like i thought it was?

phi
 one year ago
Best ResponseYou've already chosen the best response.1this is a complicated problem. we are trying to figure out how much they moved point J to get to J' we see it was "slid over" so many steps. we need to figure out how far. it is the number of steps to take us from 5 to +4

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes. do you see that if we are at J and move 2 steps will be here (see pic)

phi
 one year ago
Best ResponseYou've already chosen the best response.1we need to count how many steps from J to get to the "red 1" that is under J'

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0which J i dont get this sorry.

phi
 one year ago
Best ResponseYou've already chosen the best response.1from the red circle to the green circle. how many steps?

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes. another way to find that is to do 4  (5) = 4+5 = 9 but the idea is we ADD 9 to x and ADD 3 to y

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i think it was easier counting the boxes lol

phi
 one year ago
Best ResponseYou've already chosen the best response.1it is good to learn how to do the subtraction idea. but now we are almost ready to answer the question What will be the location of U' first, can you read off the (x,y) coords of point U ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.06 and im not sure about the y cord

phi
 one year ago
Best ResponseYou've already chosen the best response.1we want the coordinates where the red circle is. first , look on the xaxis. what number are we at when we are right above the red circle?

phi
 one year ago
Best ResponseYou've already chosen the best response.1in case you did not know, we are interested in the "corners" of the shape (not where the label is ) yes 7 over. now how far down ? (look on the yaxis... what number is straight across to the red circle) (or count down)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.02? im confused there

phi
 one year ago
Best ResponseYou've already chosen the best response.1it's 2 because we count down (from the xaxis) (+2 would be 2 above the xaxis)

phi
 one year ago
Best ResponseYou've already chosen the best response.1if you put your finger at the "orgin" (where the xaxis and yaxis cross) you count down 2 steps, then 7 steps to the right, and you will be at the red circle.

phi
 one year ago
Best ResponseYou've already chosen the best response.1so we figured out that U is at (2,7) we now use the "rule" (from up above) if we can still remember it! ADD 9 to x and ADD 3 to y to find where U' is can you do that ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so i add 9 to 2 abd 3 to 7?

phi
 one year ago
Best ResponseYou've already chosen the best response.1oops, I confused the x and y. but yes what you said, but with the correct numbers: so we figured out that U is at (7,2) we now use the "rule" (from up above) if we can still remember it! ADD 9 to x and ADD 3 to y to find where U' is can you do that ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes. so that is where U' is

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so the correct answer is D
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