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The length between two points can be found using the distance formula, which is derived from the Pythagorean Theorem. The distance formula is given by:
d = √((x2 - x1)^2 + (y2 - y1)^2)
In this case, the coordinates of the two points are (-1, 6) and (5, -2). Plugging these values into the distance formula, we get:
d = √((5 - (-1))^2 + (-2 - 6)^2)
= √((6)^2 + (-8)^2)
= √(36 + 64)
= √100
= 10
Therefore, the length between the two points is 10.