Distance & Reflections in the Coordinate Plane

Front

What is the distance formula used to find the distance between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

Front

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

Back

(-x, y)

Front

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

Back

(x, -y)

Front

How do you find the distance between two points on a vertical line?

Back

Distance = |y2 - y1|

Front

How do you find the distance between two points on a horizontal line?

Back

Distance = |x2 - x1|

Front

What is the distance between the points (2, 3) and (2, -1)?

Back

4 Units

Front

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

Back

5 Units

Front

If a point (3, 4) is reflected over the x-axis, what is the new coordinate?

Back

(3, -4)

Front

If a point (-2, 5) is reflected over the y-axis, what is the new coordinate?

Back

(2, 5)

Front

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

Back

5 Units