Sold 72 books, if ratio of books to bookmarks sols was 9:2, how many bookmarks sold?
2 answers:
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Given two points, say points A and B, we can use the slope formula to find the slop of the line:
If A has coordinates of (w,c) and B has coordinates of (y,z), we can find the slope.
![\frac{z-c[tex]y-w= \frac{z-x}{y-w} (x-c)](https://tex.z-dn.net/?f=%20%5Cfrac%7Bz-c%5Btex%5Dy-w%3D%20%5Cfrac%7Bz-x%7D%7By-w%7D%20%28x-c%29)
}{y-w} [/tex]
Now we can say that we can use the point slope form formula:
Now we can substitute m for the slope, and use any points to plug in
and 
.
Hope this helps! :^)
If A has coordinates of (w,c) and B has coordinates of (y,z), we can find the slope.
Now we can say that we can use the point slope form formula:
Now we can substitute m for the slope, and use any points to plug in
Hope this helps! :^)