M can be any number you want.
this equation is writen
5(3m - 8)
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(- 8, - 7) and (- 5, - 5)Need slope first. m = Y2 - Y1/X2 - X1m = - 5 - ( - 7)/- 5 - (- 8)m = 2/3========Now, I use point slope form to get us half way thereY - Y1 =m(X - X1) ( - 8, - 7) points usedY - (- 7) = 2/3[X - (- 8)Y + 7 = 2/3(X + 8)Y + 7 = (2/3)X + 16/37 = 21/3, soY + 21/3 = (2/3)X + 16/3Y = (2/3)X - 5/3===========================standard form
If one side is 8 m then the side opposite is also 8 m. Similarly if the adjacent side is 3 m then the side opposite that is also 3 m. thus the perimeter = 8+3+8+3 m = 22m.
5+3=8 3+5=8 8-3=5 8-5=3
m + 3 - 20 = 5 m + 3 = 25 m = 22
The answer is 8. 5-(-3)(subtracting a negative is the same as 5+3(adding a positive).