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Mathematics 13 Online
OpenStudy (nermaljean99):

Help Please??? :) 2.) Which steps transform the graph of y=x^2 to y=-2(x-2)^2+2? A.) translate up 2 units to the left, translate down 2 units, stretch by the factor 2. B.) translate 2 units to the right, translate up 2 units, stretch by the factor 2. C.) reflect across the x axis, translate 2 units to the left, translate down 2 units, stretch by the factor 2. D.) translate 2 units to the right, reflect across the x axis, stretch by the factor 2, and translate up 2 units.

OpenStudy (nermaljean99):

@mathstudent55?

OpenStudy (nermaljean99):

@dumbcow ?

OpenStudy (dumbcow):

\[y = \pm a (x-h)^2 + k\] h translates horizontally k translates vertically a is stretch factor If "a" is negative, then graph is reflected across the x-axis

OpenStudy (dumbcow):

(h,k) is the new vertex (2,2) from origin means a shift 2 up and 2 to right

OpenStudy (nermaljean99):

I was thinking B.. but i am not sure...

OpenStudy (dumbcow):

what about the reflection .... a is neg in this case

OpenStudy (nermaljean99):

uh.... C?

OpenStudy (dumbcow):

? ? C says it shifts down and left

OpenStudy (nermaljean99):

So its not B or C...

OpenStudy (nermaljean99):

Pretty sure its not A so Im gonna go with D?

OpenStudy (dumbcow):

yes correct lol gotta love multiple choice

OpenStudy (nermaljean99):

oh ya totally lol xD

OpenStudy (nermaljean99):

thanks

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