Coordinate Points Identifying Rule

Trapezoid ABCD is translated to trapezoid A'B'C'D'. What algebraic rule describes this transformation?

• (x, y) --> (x + 5, y + 8)

• (x, y) --> (x + 5, y - 8)

• (x, y) --> (x - 8, y + 5)

• (x, y) --> (x - 8, y - 5)

A figure is translated 9 units left and 3 units down. What algebraic rule describes this transformation?

• (x, y) --> (x - 9, y + 3)

• (x, y) --> (x - 9, y - 3)

• (x, y) --> (x + 3, y - 9)

• (x, y) --> (9x, 3y)

What is the algebraic representation for the transformation shown?

• (x, y) ---> (x - 8, y + 3)

• (x, y) ---> (x - 4, y + 9)

• (x, y) ---> (x + 8, y - 3)

• (x, y) ---> (x + 4, y - 9)

When translating left or right on a coordinate plane, what coordinate is affected?

• x-coordinate

• y-coordinate

• both x- and y-coordinates

• neither the x- nor the y-coordinate

When translating up or down on a coordinate plane, what coordinate is affected?

• x-coordinate

• y-coordinate

• both the x- and y-coordinates

• neither the x- nor the y-coordinate

Reflect (6, -3) over the x-axis. What are the new coordinates of that point after the reflection?

• (6, 3)

• (-6, -3)

• (-3, 6)

• (3, -6)

Reflect the point (2, -4) over the y-axis. What are the new coordinates of that point after the reflection?

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

What transformation is the following rule for?

• Reflect over the x axis

• Reflect over the y-axis

• Rotate 90 degrees clockwise

• Rotate 270 degrees clockwise

Where will A' be located if triangle ABC is reflected using the rule (x, y) --> (-x, y) ?

• (2,1)

• (1,-2)

• (-1,2)

• (-1, -2)

What is the Algebraic Representation for this transformation?

• (x, y) → (y, x)

• (x, y) → (-x, y)

• (x, y) → (-y, -x)

• (x, y) → (x, -y)