Refraction Reflection STAAR

Suppose triangle RST shown on the

coordinate grid is reflected across the y-axis. Which ordered pair does not represent a vertex of the reflected triangle?

• (5, 1)

• (-4, -2)

• (2, -4)

• (-2, 4)

Describe two ways to use transformations to show that triangle ABC is congruent to Triangle a'b'c'.

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Which of the following transformation will map the regular pentagon onto itself?

• x axis reflection

• y axis reflection

• 90 degree rotation

• 180 degree rotation

Which of the following transformation will map the trapezoid onto itself?

• x axis reflection

• reflection across green line

• rotation 90 degrees about (2,-1)

• reflection across the blue line

Which Transformation will map the trapezoid onto itself?

• 180 degree rotation about the origin

• 180 degree rotation about (-4.5, 3.5)

• reflection across the blue line

• reflection across the green line

Which transformation will map the parallelogram onto itself?

• reflection x axis

• reflection y axis

• refection across the green line

• none of these above

Select each answer choice that will map the regular polygon onto itself

• x axis reflection

• y axis reflection

• reflection across the green line

• none of thee above

What is the ordered pair for C' if reflected over the y-axis?

• (-3, 2)

• (3, 2)

• (-2, 3)

• (3, 0)

When you reflect a shape, you ______ over an axis or line.

• Flip

• Rotate

• Slide

• Expand

Describe the Transformation

• reflection and translation

• rotation and translation

• reflection and rotation