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Proportions Using Cross Product? At grade

Identify proportions by cross multiplying or simplifying ratios.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Proportions to Find Percent, ? At grade

Use a proportion to find a percent, p.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Planes in Spac? At grade

The equation of a plane on an x, y, z coordinate graph.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Cross Product? At grade

Defining and calculating cross products and normal vectors.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

The Cross Product of Vectors

"In Calculus we often use the cross product of vectors to find orthogonal vectors and the area of parallelograms in three dimensions. The cross product of vectors is found by identifying the 3x3 deter ...

Cross Product Area

"Finding the area of a parallelogram in two dimensions involves the area determinant of a 2x2 matrix, but if we're given a parallelogram in three dimensions we can use the cross product area. The cros ...

Area Determinant

"One thing that determinants are useful for is in calculating the area determinant of a parallelogram formed by 2 two-dimensional vectors. The matrix made from these two vectors has a determinant equa ...

3x3 Determinant

"Methods for computing a 3x3 determinant are important and are used when defining the cross product. Finding a 3x3 determinant is not as computationally heavy as finding the determinant of a larger sq ...

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