Cartesian Coordinate Plane

Who is credited with inventing the Cartesian Coordinate System?

• René Descartes

• Isaac Newton

• Albert Einstein

• Galileo Galilei

What is the Cartesian Coordinate System primarily used for?

• A system used for graphing number pairs.

• A system for predicting weather patterns.

• A method for calculating the speed of light.

• A tool for measuring the volume of liquids.

What are the signs of the x and y coordinates in Quadrant III?

• (+, +)

• (-, +)

• (-, -)

• (+, -)

Are you enjoying the video lesson?

• Yes

• No

What quadrant is point C (1, -2) located in?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

What are the coordinates and location of point A?

• (-1, 1), Quadrant I

• (-1, 1), Quadrant II

• (1, -1), Quadrant IV

• (1, 1), Quadrant I

• 1. What did you learn about René Descartes and how he created the Cartesian Coordinate System?

• 2. What lesson from his life can you apply to your own studies or daily life?

• 3. Why is the Cartesian Coordinate Plane important in mathematics and in real life (for example, maps, games, navigation, or design)?

• 4. How do the x-axis, y-axis, origin, and quadrants help us organize and understand points on the plane?

• 5. What is the difference between abscissa and ordinate?

• 6. Can you give a real-life situation where these ideas are used (for example, seating plans, directions, or locations)?

• 7. Which part of the lesson was the easiest for you? Which part was the most challenging? How will you overcome this challenge?