Answered

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what is the slope of the line (-1 ,-7) and (3,9)?

Sagot :

Answer:

slope = 4

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 1, - 7 ) and (x₂, y₂ ) = (3, 9 )

m = [tex]\frac{9-(-7)}{3-(-1)}[/tex] = [tex]\frac{9+7}{3+1}[/tex] = [tex]\frac{16}{4}[/tex] = 4

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