Lesson 5.2 ET

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written in the form (x, y), where x is the horizontal coordinate and y is the vertical coordinate.

Front

What does the x-coordinate represent in an ordered pair?

Back

The x-coordinate represents the horizontal position of a point on the coordinate plane.

Front

What does the y-coordinate represent in an ordered pair?

Back

The y-coordinate represents the vertical position of a point on the coordinate plane.

Front

In which quadrant is the point (−3, 1) located?

Back

Quadrant II, because the x-coordinate is negative and the y-coordinate is positive.

Front

What is the significance of Quadrant I in the coordinate plane?

Back

Quadrant I is where both x and y coordinates are positive.

Front

What is the significance of Quadrant II in the coordinate plane?

Back

Quadrant II is where the x-coordinate is negative and the y-coordinate is positive.

Front

What is the significance of Quadrant III in the coordinate plane?

Back

Quadrant III is where both x and y coordinates are negative.

Front

What is the significance of Quadrant IV in the coordinate plane?

Back

Quadrant IV is where the x-coordinate is positive and the y-coordinate is negative.

Front

How do you plot the point (−5, 2 1/2) on a coordinate grid?

Back

Start at the origin (0,0), move left 5 units (for -5), and then move up 2.5 units (for 2 1/2).

Front

What is a coordinate plane?

Back

A coordinate plane is a two-dimensional surface formed by the intersection of a horizontal line (x-axis) and a vertical line (y-axis).