Lesson 2.6

Lesson 2.6
Slope of Lines

By Reed Carbone

​Definitions:

​Slope: The slope of a line in a graph is the steepness of the line. It is found using rise over run and is represented by the variable "m".

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Constant of Proportionality: ​The constant of proportionality is a number that relates proportional quantities. The constant of proportionality is the same as the unit rate.

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Visuals:

How to find the slope and Constant of Proportionality:

Multiple Choice

What is the constant of proportionality in this graph?

• 24

• 18

• 12

• 1/6

Multiple Choice

What is the slope of this graph?

• 4/6

• 2/3

• 6/4

• 3/2

Multiple Choice

What is the constant of proportionality?

• 1.2

• 2.4

• 1.5

• 2

How to find the slope on a non-proportional graph:

Multiple Choice

What is the slope of the line?

• 1/3

• 3

• 5

• 2

​How to find the slope when given two coordinate:

(7,9) (10, 18)

Multiple Choice

What is the slope of a line that passes through (5,4) and (6,6)?

• m = 10/11

• m = 1/2

• m = 2

• m = 11/10

Special Situations: How to find the slope of a vertical or horizontal line:

​Conclusion: Write 2 complete sentences about what you learned.