Reflections and Line of Symmetry

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)

• S'(-3, 7)

• S'(-3, -7)

• S'(3, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many lines of symmetry does this trapezoid have?

• 0

• 1

• 2

• 3

Tags

CCSS.4.G.A.3

How many lines of Symmetry does an equilateral triangle have?

• 3

• infinite

• 1

• 2

Tags

CCSS.4.G.A.3

Is this a line of symmetry?

• Yes 

• No

Tags

CCSS.4.G.A.3

Which of the following plane figure has exactly 4 lines of symmetry?

• Square

• Rectangle

• Circle

• Triangle

Tags

CCSS.4.G.A.3

What is the sequence of transformations for the image given? 

• Reflect over the x-axis, translate (x+8,y)

• Reflect over the x-axis then translate (x+6, y)

• Reflect over the y-axis then (x+1, y+1)

• Translate down 4 (y-4) and to the right 5 (x+5)

Tags

CCSS.8.G.A.3

What sequence of transformations will get you from shape BCD to shape B"C"D" in two steps?

• Rotation, then Rotation

• Rotation, then Dilation

• Reflection, then Rotation

• Translation, then Reflection

Tags

CCSS.8.G.A.3

Level 1 True or false: When a point is reflected across a line of symmetry, it remains the same distance from the line.

• true

• false

Tags

CCSS.4.G.A.3

Level 2 Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Level 2 When a figure is reflected over a line of reflection, the new image is congruent to the original. True or False

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5