Vectors + Unit Circle + Complex numbers Quizizz

What is magnitude?

• The direction that describes a quantity.
• A numerical value
• A unit of force

Which of the following is an example of scalar magnitude?

• velocity

• mass

• acceleration

• force

What is the properties of null vector ?

• It has zero magnitude

• Initial and terminal point are same

• It is also known by zero vector

• All of the above

A vector whose magnitude is one is called by

• Null vector

• Unit vector

• Initial vector

• Equal vector

If v =〈a,b〉, then a is the ___________ component of v.

• vertical
• horizontal
• parallel
• slope

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

The affirmation below is true of false? Explain.

If the resultant vector (u+v) is equal to the null vector 0=〈0, 0〉, then the vectors u and v have the same direction.

If magnitude of a vector OP is 7 then what is the magnitude of 3(OP)

• 7/3

• 21

• 10

• 3/7

Find the wrong statement

• Vector c and vector d are collinear vectors

• Vector a and vector b are coinitial vector

• Vector a and vector c are collinear vector

• Vector b and vector d are coinitial vector

If a turtle moves from coordinate
 P = (3,2) to
Q = (5,6).  Which vector models the turtle's motion?

• 〈-2,-4〉
• 〈2,4〉
• 〈8,8〉
• none of these