Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
1. Points, Lines, and Planes
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Exercise 28 Page 385

Collinear points lie on the same line.

C

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Note that point B is the back, top corner of the cube and is not represented with any dot. For a point to be collinear with B and I, it would have to lie on the line BI. Let's highlight BI in the diagram for a visual representation.

From the diagram, we can see that the point C is the only other point that lies on the line BI. It is, therefore, the one point that is collinear with B and I.