1. Module 3 Summary

Mathematics 30-3 Module 3

Module 3 Summary

 

This is a painting of people swimming in a natural hot spring.

Design Pics/Thinkstock

Linear relations can be expressed in many ways, as shown in the table.

 

As a Graph

This shows a grid with the vertical axis labelled dependent variable and the horizontal axis labelled independent variable. A line begins on the vertical axis and falls as it moves to the right.

 

 

This shows a grid with the vertical axis labelled dependent variable and the horizontal axis labelled independent variable. A series of points are shown. The points rise from left to right and would all fit on one straight line.

As an Equation

 y = mx + b, where m is the slope, b is the y-intercept, and (x, y) represents any point on the line.

As a Table of Values
time heart
wages ($)

0

1

2

3

4

5

0

12

24

36

48

60

 

Expressed in Words

 A car travels at 90 km/h. For every hour of travel the car is 90 km farther from its starting point.