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1. Describe, using similar triangles, why a line going down from left to right has a negative slope.

 

2.  Describe the steepness of a horizontal line using the slope ratio, RISE/RUN
.

 Oct 19, 2018
 #1
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+1

Here's the second one

 

A horizontal line  has "0" rise and an infinite run

 

So  the slope is

 

0 / run  =   0

 

cool cool cool

 Oct 19, 2018

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