Lesson 18 distance on coordinate plane

Front

What is the distance formula for two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

Front

What is the distance between points (3, -5) and (3, -8)?

Back

3 units

Front

What Quadrant is (-1, -3)?

Back

III

Front

What is the reflection of a point (x, y) over the x-axis?

Back

(x, -y)

Front

What is the reflection of a point (x, y) over the y-axis?

Back

(-x, y)

Front

What is the distance between points (-7, 8) and (2, 8)?

Back

9 units

Front

What is the distance between points (0, 0) and (4, 3)?

Back

5 units

Front

What is the distance between points (1, 2) and (1, 5)?

Back

3 units

Front

What is the distance between points (2, 3) and (5, 3)?

Back

3 units

Front

What is the distance between points (4, 5) and (4, 1)?

Back

4 units