Coordinate Geometry Review

Front

Find the slope of the line through the points (20,8) and (9,16).

Back

-8/11

Front

Find the slope of the line through the points (1,-19) and (-2,-7).

Back

-4

Front

Distance between two points?

Back

√40 ≈ 6.32

Front

Find the distance.

Back

√136

Front

Find the midpoint of the segment with the endpoints: (6, 7) and (6, -5)

Back

(6, 1)

Front

Find the midpoint of the segment with the endpoints: (-4, 5) and (7, -9)

Back

(1.5, -2)

Front

What will the same slopes tell you about the quadrilateral?

Back

Opposite sides are parallel

Front

We use the distance formula to do what?

Back

See if opposite sides are congruent

Front

How do you show the diagonals are congruent?

Back

Use the distance formula

Front

How do you show diagonals are perpendicular?

Back

They would have opposite reciprocal slopes