Jass1230idn
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Find the slope of the line with the given points with solution.
1. (5,1) and (1,8)
2. (-4,-1) and (1,8)
3. (1,2) and (3,4)​

Sagot :

Eatercerealidn

Answer:

Formula for slope

(m = slope)

m= y2 - y1 /x2 - x1

Number 1

Let (5,1) be the coordinate 1 so (x1= 5, y1 = 1)

Let (1,8) be the coordinate 2 so (x2= 1, y2= 8)

Solve:

m= y2 - y1 / x2 - x1

m = 8 - 1 / 1 - 5

m = 7/-4 or -1.75

Number 2

Let (-4,-1) be the coordinate 1 so (x1= -4, y1= -1)

Let (1,8) be the coordinate 2 so (x2= 1, y2= 8)

Solve

m= y2 - y1 / x2 - x1

m= 8 - (-1) / 1 - (-4)

m= 8 + 1 / 1 + 4

m = 9/5 or 1.8

Number 3

Let (1,2) be the coordinate 1 so (x1= 1, y1= 2)

Ley (3,4) be the coordinate 2 so (x2= 3, y2= 4)

Solve

m= y2 - y1 / x2 - x1

m= 4 - 2/ 3 - 1

m= 2/2

m= 1