Exploring Reflection Across an Axis

What axis do we reflect triangle ABC across first?

• None of the above

• Y-axis

• X-axis

• Z-axis

Tags

CCSS.5.G.A.1

How many units to the right of the Y-axis is the new location of point C?

• 6 units

• 8 units

• 4 units

• 2 units

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

After reflecting across the Y-axis, what happens to the X values of the points?

• They remain the same

• They double in value

• They become zero

• Their sign changes

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the new location of point A after reflecting across the Y-axis?

• (7, -6)

• (7, 6)

• (-7, -6)

• (-7, 6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What rule is applied when reflecting a point across the Y-axis?

• Y values change sign

• X values change sign

• Both X and Y values change sign

• Neither X nor Y values change sign

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When reflecting across the X-axis, what remains the same?

• X values

• Both X and Y values

• Y values

• Neither X nor Y values

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What change occurs to the Y values when reflecting across the X-axis?

• No change occurs

• They are halved

• Their sign changes

• They are doubled

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the new location of point B after reflecting across the X-axis?

• (-4, 6)

• (4, 6)

• (4, -6)

• (-4, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What geometric shape does triangle ABC form after being reflected across the X-axis?

• An isosceles triangle

• A right triangle

• An equilateral triangle

• A scalene triangle

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the new location of point C after reflecting across the X-axis?

• (-4, 2)

• (4, -2)

• (-4, -2)

• (4, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5