Your home is located at the point (6, 4). Which of these numbers is the x-coordinate? Which is the y-coordinate?
6 is the x-coordinate;
4 is the y-coordinate.
How far from the origin, (0, 0), is the point (6, 4)?
6 units to the right,
and 4 units up.
What path will take you from your home to the movie theater?
4 units to the left, and 1 unit down.
The movie theater and the park are reflected points. Which axis can you reflect the movie theater point over to get the park point?
The x-axis.
Which coordinate changed after the reflection over the x-axis?
The y-coordinate.
The movie theater and park are on the same vertical line. Think of the x-axis as zero on a vertical number line that connects these points. What is the distance between the movie theater and the x-axis?
3 units.
Why is 3, and not –3, the distance between the park and the x-axis?
Distance is always positive.
ASSESS READINESS | MISCONCEPTIONS | WARM UP | FOCUS | EXTEND | FINISH |