Find the Magnitude and Direction of Vectors

Find the magnitude of the vector <10, -8>

• 2

• 12.81

• 6

• 18

Determine the direction and magnitude of the vector 〈7,18〉

• Direction 21.3°
  Magnitude 19.3

• Direction 68.7°
  Magnitude 19.3

• Direction 21.3°
  Magnitude 373

• Direction 68.7°
  Magnitude 373

Determine the direction and magnitude of the vector 〈-11,5〉

• Direction 24.4°
  Vertical 12.1

• Direction65.6°
  Magnitude 12.1

• Direction -24.4°
  Magnitude 12.1

• Direction 155.6°
  Magnitude 12.1

A vector is a mathematical structure that has both _______ and _______.

• direction, magnitude

• scope, sequence

• meat, potatoes

• scalar, vector

Find the magnitude.

• 5

• 3

• 25

• -4

Find the magnitude.

• -10

• -8

• 6

• 10

Find the direction angle and magnitude of the vector <-7, 0>

Select all that apply.

• magnitude = 7

• magnitude = -7

• 90°

• 180°

• 270°

Find the magnitude of this vector (each square is 1 unit long)

• 4

• 5

• 3

• square root of 5

Find the magnitude.

• 4

• 5

• 3

• square root of 5

A vector is a ray with both ____________ and _____________.

• Wings and halos

• Space and time

• Direction and magnitude

• Radicals and exponents