Coordinate Distance, Reflection & Polygon Review

Front

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

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

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 are the coordinates of the vertices of a square if one vertex is at (x, y) and the side length is s?

Back

(x, y), (x+s, y), (x, y+s), (x+s, y+s)

Front

What is the definition of a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What is the area of a rectangle with length l and width w?

Back

Area = l × w

Front

How do you determine if four points can form a rectangle?

Back

Check if opposite sides are equal and all angles are right angles.

Front

What is the distance between points (5, 5) and (1, 5) on a coordinate plane?

Back

4 units

Front

If point A is at (2, 3) and point B is at (2, 7), what is the distance between A and B?

Back

4 units