Respuesta :

Answer:

plug in the x and y coordinates! the equation in green shows you what you need. a=(-3,1) b=(-1,-1)

2.8

Step-by-step explanation:

devishri1977

Answer:

d = 2√2

Step-by-step explanation:

A ( -3,1)   ;  B(-1,-1)

d² = (x₂-x₁)² + (y₂ - y₁)²

  = (-1- [-3] ) ² + (-1 - 1)²

 = (-1 + 3)² + (-1-1)²

 = 2² + (-2)²

 = 4 + 4

 = 8 = 2 * 2 *2

d =√ 2 * 2*2 = 2√2

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