Review for You: Lines of Symmetry and Coordinate Grids

What is a line of symmetry?

• A line that divides an object into two identical halves

• A line that is always horizontal

• A line that is always vertical

• A line that divides an object into two different parts

How many lines of symmetry does a square have?

• Four

• Two

• Five

• Three

What is a reflection in terms of symmetry?

• A reduced image of an object

• A rotated image of an object

• A mirror image or flip over the line of symmetry

• An enlarged image of an object

What does the X-axis represent on a coordinate grid?

• The vertical line

• The curved line

• The diagonal line

• The horizontal line

How do you determine the X coordinate of a point?

• Count to the left on the X-axis

• Count to the right on the X-axis

• Count downwards on the Y-axis

• Count upwards on the Y-axis

What is the ordered pair for point A if it is located at 8 on the X-axis and 7 on the Y-axis?

• (8, 8)

• (8, 7)

• (7, 7)

• (7, 8)

If you want to plot point C at (5, 9), where do you start?

• Move to 5 on the Y-axis, then 9 on the X-axis

• Move to 9 on the Y-axis, then 5 on the X-axis

• Move to 5 on the X-axis, then 9 on the Y-axis

• Move to 9 on the X-axis, then 5 on the Y-axis