Find the dot product v ? w.v = i + j and w = i + j - k

A. 1
B. 3
C. 2
D. -2


Answer: C

Mathematics

You might also like to view...

Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region. over the tetrahedron bounded by the coordinate planes and the plane 

A.
B.
C.
D.

Mathematics

List the given numbers in order from least to greatest.|-0.04|, ?,  ,  -2.3, 3., -2

A. -2,  -2.3, |-0.04|,  , 3., ?
B. -2.3, -2, |-0.04|,  , ?, 3.
C. -2.3, -2, |-0.04|, 3., ?,  
D. -2,  -2.3, |-0.04|,  , ?, 3.

Mathematics

Use the information given about the angle ? to find the exact value of the indicated trigonometric function.tan ? = 3, ? < ? < Find tan .

A.
B.
C.
D.

Mathematics

Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos(2?) = , 0 < ? < Find sin ?.

A.
B.
C.
D.

Mathematics