Topic 2 Lessons 2-4, 2-5, and 2-6 Vocabulary

Front

What do you do when finding distance on a coordinate plane if the ordered pairs are in different quadrants?

Back

You add the distances.

Front

What is the term for the point (0,0) in a coordinate plane?

Back

Origin

Front

What is the horizontal value in a pair of coordinates called?

Back

x - coordinates

Front

What is the name of the vertical number line in the coordinate plane?

Back

y - axis

Front

What is the total distance around the outside of a two-dimensional shape called?

Back

Perimeter

Front

What is the term for the distance from a point to the origin in a coordinate plane?

Back

Absolute value

Front

What do you call a shape with straight sides in geometry?

Back

Polygon

Front

What is the term for the horizontal number line in the coordinate plane?

Back

x - axis

Front

What is the formula for calculating the perimeter of a rectangle?

Back

P = 2(l + w) where l is length and w is width.

Front

What is the distance between the points (2,3) and (2,7) on a coordinate plane?

Back

4 units (subtract the y-coordinates).