Finding The Slope of a Line Slopes are commonly associated with mountains.

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Finding The Slope of a Line

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Presentation transcript:

Finding The Slope of a Line

Slopes are commonly associated with mountains.

The slope we are studying is associated with the graph of a line.

Definitions of Slope Measures steepness Ratio of rise over run The change in y over the change in x

Steepness

Vertical Change Horizontal Change This ratio is also known as Rise Run

Given a graph 1.Find 2 points 2.Count Rise (y) and Run (x) 3.Rise and reduce (check direction + -) Run

Find Slope

Find the slope of the following line.

The slope is… 1 2

Find the slope of the line.

The slope is…. -3

Given an equation 1.Solve for y 2.Coefficient of x = m

y = 2x + 8

Given 2 points 1.Stack points 2.Change in y (rise) 3. Change in x (run) 4. Rise/run and reduce

(3, 8) and (2, 6)

Given a table 1.Find change in y (rise) 2.Find change in x (run) 3. Rise/ Run and reduce

x14710 y8642

Types of Slope g/8slopetwol.cfmhttp:// g/8slopetwol.cfm

Class Activity Click on the following link for slope practice.practice

Closing Activity You will receive a second worksheet. Given 2 points, find the slope using the slope formula. You will turn in the worksheet.