Posted by **Shadow** on Wednesday, October 6, 2010 at 10:42pm.

Determine whether the following statements are always,sometime, or never true.Explain

1.Three points determine a plane.

2.The intersection of two planes can be a point.

1.Never true, the three points must be noncollinear.

2.Never true, the intersection of two planes is a line.

(Are these answers right?) Thanks

- Math -
**Reiny**, Wednesday, October 6, 2010 at 10:58pm
1. 3 points do determine a plane, unless the 3 points are collinear, so "sometime"

2. they form a line, unless they are parallel, but never in a point

## Answer This Question

## Related Questions

- Math - Determine if it is always sometimes never or always true - ray LJ and ray...
- Geometry - Determine if it is always sometimes never or always true - ray LJ and...
- Math - a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true...
- math - Determine whether the statement is always true, sometimes true, or never ...
- Math - intersection of planes - You are given the following two planes: x+4y-3z-...
- geometry - Is it always true, sometimes true, or never true that the centroid is...
- Math - intersection of planes - You are given the following two planes: x+4y-3z-...
- Vectors - which is not a possible type of intersection between three planes? a) ...
- Pre-Calculus - Graphing Polynomials Decide whether each of the following is ...
- math - the number of noncollinear points needed to determine a circle Two. The ...

More Related Questions