Shane paid $45.00 to fill his gas tank the first week of the month, he paid 23.00 the second week, $47.00 the third week and $32
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The formula for slope is .
Subtract y1 from y2. (y1= -1, y2 = 3)
3 - -1 = 4
Now subtract x1 from x2. (x1 = 4, x2 = -4)
-4 -4 = -8
Divide the difference between the y coordinates by the difference between the x coordinates.
or 4 ÷ -8 = -0.5
<u>The slope between the two points is </u><u>-0.5</u><u>.</u>
Hope this helpsss