SOLUTION: what are the types of transformations? how do you determine them? ex) y = 1/2 x

SOLUTION: what are the types of transformations? how do you determine them? ex) y = 1/2 x - 4 ---> y = -1/2 x -4

Question 694753: what are the types of transformations? how do you determine them?
ex) y = 1/2 x - 4 ---> y = -1/2 x -4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what are the types of transformations? how do you determine them?
ex) y = 1/2 x - 4 ---> y = -1/2 x -4
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Notice that the change from (1/2)x to (-1/2)x only
changes the slope of the line. Since the -4
term has not changed, the y-intercept has not changed.
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Your transformation could be written this way
y = (1/2)x-4 to y = -((1/2)x-4)-8
That would described as 2 transformations.
1st::: A reflection in the x-axis.
followed by
2nd: A vertical shift down of -8.
===============
cheers,
Stan H.
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