Bell Work Day 34

What transformation is shown?

• 180 degree rotation about the origin.

• reflection across y = x

• reflection across y = -x

• 90 degree rotation about the origin

• translation by (x,y)--->(x+6, y-6)

What transformation is shown?

• 180 degree rotation about the origin.

• reflection across y = x

• reflection across y = -x

• 90 degree rotation about the origin

• translation by (x,y)--->(x+6, y-6)

What transformation is shown?

• 90 degree rotation about the origin.

• reflection across y = x

• reflection across y axis

• translation by (x,y)--->(x+6, y)

• translation by (x,y)--->(x+5, y)

What transformation is shown?

• 90 degree rotation about the origin.

• reflection across y = x

• reflection across y axis

• translation by (x,y)--->(x+6, y)

• translation by (x,y)--->(x+10, y)

What transformation is shown?

• 180 degree rotation about the origin.

• reflection across y = x

• reflection across the origin.

• translation by (x,y)--->(x+6, y)

• translation by (x,y)--->(x+10, y)

What sequence of transformations is shown?

• 180 degree rotation about the origin followed by a reflection across the y- axis.

• 90 degree rotation about the origin followed by a reflection across y = x

• 180 degree rotation about the origin, followed by a reflection across y=x

• 90 degree rotation about the origin, followed by a translation by (x,y)--->(x-6, y-5)

• reflection across the y axis, followed by a translation of (x,y)-->(x-3, y-5)

Two transformations were performed. The pre-image was the purple triangle, the first image is blue. The final image is orange. What is the sequence of transformations that took place.

• reflection across y =- x followed by a reflection across the y- axis.

• 180 degree rotation about the origin followed by a reflection across y = x

• A translation of

  (x, y)-->(x-2, y-5), followed by a 90 degree counte rclockwise rotation about the origin.

• 90 degree rotation about the origin, followed by a translation by (x,y)--->(x-6, y-5)

• reflection across the y axis, followed by a translation of (x,y)-->(x-3, y-5)

Two transformations were performed (from figure 1 to figure 2 to figure 3). What transformations took place?

• reflection across y =- x followed by a reflection across the x- axis.

• A reflection across the y axis followed by a reflection across the line y = -x

• A reflection across the x axis, followed by a 90 degree

  counterclockwise rotation about the origin.

• A reflection across the x axis, followed by a translation by (x,y)--->(x-5, y-1)

• reflection across the y axis, followed by a translation of (x,y)-->(x-3, y-5)

Line A goes through the point (-5, 6) and (-18, 12)

Lines B goes through the points (-5, 6) and (8, 0)

Which of the following statements is true about the two lines?

• They are parallel

• They are perpendicular

• They intersect, but not at right angles..

• They are skew lines.

• None of these are true.

Point P(-6, 4) is rotated 180 degrees about the origin. What are the coordinates of P' ?

• (-4, 6)

• (6, -4)

• (4, -6)

• (-4, -6)