Given the following matrices:



calculate the determinant of [A] and [B] by direct expansion. Which matrix is singular?




Matrix [B] is singular because elements of the second row and the first row are linearly dependent.

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In an RLC series circuit where XC?XL, the current will ____________________ the voltage.

Fill in the blank(s) with the appropriate word(s).

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The various soils in a catena of soils differ from one another primarily as a result of their geologic parent material

Indicate whether the statement is true or false

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Which of the following objects could not be imprinted on the face of a 3D solid?

a. Polyline b. 3D solid c. Spline d. Polygon mesh

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Room temperature vulcanizing chemical sealants _____.

A. come only in one color B. typically cures in 48 hours C. will bond to the gasket D. cures when exposed to air

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