Asked by meeeee
Write a translation rule that maps point D(7, −3) onto point D'(2, 5)
I need major help, please???
I need major help, please???
Answers
Answered by
Bosnian
x' - x = 2 - 7 = - 5
y' - y = 5 - ( - 3 ) = 5 + 3 = 8
( x , y ) -->( x - 5 , y + 8 )
y' - y = 5 - ( - 3 ) = 5 + 3 = 8
( x , y ) -->( x - 5 , y + 8 )
Answered by
meeeee
i don't understand
Answered by
Bosnian
Let's look at the x-coordinates, paying attention to signs:
xD = 7 at the start point, xD' = 2 at translated point.
Relation is needed to operate on 7 to get 2 is:
You must subtract 5
Let's look at the y-coordinates, paying attention to the sign:
yD = - 3 at the start point, yD' = 5 at translated point.
Relation is needed to operate on -3 to get 5 is:
You must add 8
Now take both equation and rewrite as an ordered pair:
( x - 5, y + 8 )...applicable only to all points in a figure "sliding" same direction.
Do you understand now?
xD = 7 at the start point, xD' = 2 at translated point.
Relation is needed to operate on 7 to get 2 is:
You must subtract 5
Let's look at the y-coordinates, paying attention to the sign:
yD = - 3 at the start point, yD' = 5 at translated point.
Relation is needed to operate on -3 to get 5 is:
You must add 8
Now take both equation and rewrite as an ordered pair:
( x - 5, y + 8 )...applicable only to all points in a figure "sliding" same direction.
Do you understand now?
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