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
Explanation:
d = 2√2
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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