Respuesta :

Answer:

r = -23

Step-by-step explanation:

A slope of 1/2 means that for every y-value increase of 1, the x value will increase by 2.

Between -7 and 5, there was an increase of 12. So, the x value will increase by 24.

To find r, subtract 24 from 1

1 - 24

= -23

So, r = -23

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