slope

Presentation

•

Mathematics

•

9th - 12th Grade

•

Easy

•

CCSS

8.EE.B.5

Standards-aligned

timothy tran

Used 703+ times

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9 Slides • 4 Questions

How can we find the slope of a given line segment

Open Ended

From what you think or know, what is a slope?

Type response here

Slope can be expressed in different ways:

$m=\frac{\left(y_2-y_1\right)}{\left(x_2-x_1\right)}\ =\ \frac{Rise}{Run\ }\ =\ \frac{Vertical\ change}{Horizontal\ change}$

Positive slope

- A line has a positive slope if it is going uphill from left to right

Negative slope

- A line has a negative slope if it is going downhill from left to right

Poll

What do you think is the slope of a Horizontal Line?

Undefined

-1

What is the slope of a horizontal line?

A line with a horizontal line does not rise!

$m$ = $\frac{0}{number}$ = $0$

All Horizontal lines have a slope of

0

Poll

What do you think is the slope of a Vertical Line?

Undefined

-1

What is the slope of a vertical line?

A slope with a vertical line does not run!
$m=\frac{number}{0}=Undefined$

All vertical lines have an undefined slope

Fill in the Blanks

Type answer...

What is the slope of a line between (-4,14) and (-16,8)?

$m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{\left(8-\left(14\right)\right)}{-16-\left(-4\right)}=\frac{\left(-6\right)}{\left(-12\right)}$

Simplify this and we get $\frac{1}{2}$

Quiz time!

Thank You:)

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