MTH1020 WEEK 4 PASS

Vector is a quantity with:

• magnitude and direction

• magnitude

• direction

• none of the above

Check all the unit vectors.

• <1,1,1>

• <1,0,1>

• <1,0,0>

• <1,1>

• <0,1>

Given the vector v = 3i -2j +6 k, the magnitude of v is:

• 36

• 49

• 7

• 6

The result of a dot product between two non-perpendicular vectors is a ____ (vector/scalar) quantity.

If the dot product of the two vectors is equal to zero, then what do we know about the two vectors?

(Select all that are correct.)

• They are parallel

• They are perpendicular

Find the Dot Product.

If a=2i + 9j ,b=4i - 3k

• -8

• 4

• -4

• 8

Select the correct answer:

• √47

• -7

• 7

• 12

Answer explanation

Select the correct answer

Answer explanation