Hey!
Hope this helps...
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Questions like these are really simple to answer, for one, all you have to know is <em>R</em><em>ise over Run</em><em> </em>(or <em>Rise/Run</em>)...
This being:
<em>Rise: </em><em>the distance from one y value to the other...
Run: the distance from one x value to the other...</em>
<em>
</em>
<em />Naturally graph points are represented as (x, y).
So, all we need to is do the math....
For Rise: the distance from <em>5</em> to <em>-12</em> is <em>17</em><em />...
For Run: the distance from <em>3.5 </em>(or 3 1/2)<em> </em>to <em>3.5</em> is 0, but because the denominator of ANY fraction can never be 0, we will change it to 1...
So, our equation looks like: 17/1 (or 17 over 1)...
And our answer is: The 2 points are EXACTLY 17 units apart...