Understanding Graph Basics

In this video, Lucy introduces the basics of graphs, focusing on axes, coordinates, and quadrants. She explains the horizontal (X) and vertical (Y) axes, starting from the origin, and how to read and write coordinates. The video also covers the practical applications of Cartesian coordinates in maps, GPS, and computer graphics. Finally, Lucy discusses the four quadrants of a graph and their numbering system.

What is the horizontal axis on a graph called?

• Y-axis

• Z-axis

• X-axis

• W-axis

Where do the axes intersect on a graph?

• At the bottom

• At the side

• At the origin

• At the top

How are coordinates written?

• As a word

• As two numbers with a comma

• As a single number

• As a fraction

Which coordinate comes first in a pair?

• X-coordinate

• W-coordinate

• Z-coordinate

• Y-coordinate

If a point is at (-4, 6), in which direction do you move first?

• Left

• Down

• Right

• Up

What are Cartesian coordinates used for?

• Music

• Painting

• GPS systems

• Cooking

Who developed Cartesian coordinates?

• Galileo Galilei

• Albert Einstein

• René Descartes

• Isaac Newton

How many sections is a graph divided into?

• Three

• Four

• Five

• Two

In which direction are quadrants numbered?

• Randomly

• Anticlockwise

• Horizontally

• Clockwise

What will the next video cover?

• Horizontal and vertical lines

• Curved lines

• Color theory

• 3D graphs