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Graph points on a coordinate plane Objective Graph points on a coordinate plane Example 3-4b

Vocabulary Coordinate plane Two number lines that form right angles and intersect at their zero points   Example 3-4b

Vocabulary Coordinate grid Two number lines that form right angles and intersect at their zero points (coordinate plane) Example 3-4b

The horizontal number line Vocabulary x-axis The horizontal number line x-axis Example 3-4b

The vertical number line Vocabulary y-axis The vertical number line y-axis Example 3-4b

The point of intersection of the two number lines Vocabulary Origin The point of intersection of the two number lines origin Example 3-4b

Any point on the coordinate plane graphed using two numbers (x, y) Vocabulary Ordered pair Any point on the coordinate plane graphed using two numbers (x, y)   (3, 2) Example 3-4b

The first number in the ordered pair (abscissa) Vocabulary x-coordinate The first number in the ordered pair (abscissa)   (3, 2) Example 3-4b

The second number in the ordered pair (ordinate) Vocabulary y-coordinate The second number in the ordered pair (ordinate)   (3, 2) Example 3-4b

The number lines separate the coordinate plane into four sections Vocabulary Quadrant The number lines separate the coordinate plane into four sections II I III IV Example 3-4b

Example 1 Name an Ordered Pair Example 2 Graph an Ordered Pair Example 3 Identify Quadrants Example 4 Identify Quadrants Lesson 3 Contents

Name the ordered pair for point R graphed below. Start at the origin. Move left to find the x-coordinate of point R, which is –2. Move up to find the y-coordinate, which is 4. Answer: R (–2, 4) 1/4 Example 3-1a

Name the ordered pair for point M graphed below. Answer: M (3, –1) 1/4 Example 3-1b

Graph and label the point M (3, 5) M (3, 5). Answer: Graph and label the point M (3, 5) M (3, 5). Use a coordinate plane graph Write the point and coordinate pair above the graph M (3, 5) Begin at origin Using your pencil point, move 3 units to the right (do not draw a line) Move 5 units up. Draw a dot at the intersection Label dot with letter and coordinate pair 2/4 Example 3-2a

Graph and label the point G(–2, –4) Answer: 2/4 Example 3-2b

GEOGRAPHY Use the map of Utah shown below GEOGRAPHY Use the map of Utah shown below. In which quadrant is Vernal located? Locate axis of coordinate plane I Determine quadrants II Locate Vernal Identify quadrant where Vernal is located IV III Answer: Quadrant I 3/4 Example 3-3a

GEOGRAPHY Use the map of Utah shown below GEOGRAPHY Use the map of Utah shown below. In which quadrant is Tremonton located? Answer: Quadrant II 3/4 Example 3-3b

Name a city from the map of Utah shown below that is located in quadrant IV. Locate axis of coordinate plane I Determine quadrants II Locate city in quadrant IV IV Answer: Bluff III 4/4 Example 3-4a

Name a city from the map of Utah shown below that is located in III. * Name a city from the map of Utah shown below that is located in III. Answer: Cedar City 4/4 Example 3-4b

Geometry: The Coordinate Plane Assignment Lesson 3:3 Geometry: The Coordinate Plane 9 - 30 All End of Lesson 3