Cross Products

The cross product of vectors A and B is __________.

• parallel to either A or B

• parallel to both A and B

• perpendicular to either A or B

• perpendicular to both A and B

The y value of the vector product is ________.

• -4

• 4

• 8

• -8

The magnitude of the vector product is __________.

• 0

• 1

• 2

• 3

Find the cross product of <3,4,7> and <4,9,2>.

• <-55, 22, -9>

• <-55, -22, -9>>

• <71,34, 63>

• <-71, -34, -63>

Find the cross product of <2,3,7> and <1,4,2>

• <22,3,5>

• < -22, 3,5>

• < -22, -3, 5>

• <34,11,11>

Calculate the cross product of <1, -2, 1> and <2, -1,1>

• 5

• 3

• < -1, -1, 3>

• < -1, 1, 3>

The cross products solution is a vector that is orthogonal to both of the cross products components

• True
• False

What is the cross product of u = <4, 7,-2> and v = <-5, 9, 1>

• <15,10,99>
• <25, 3, 85>
• <25,6,71>
• <23,11,98>

• < - 44, 6, - 46>
• 34
• < - 44, - 6, - 46>
• < 6, 16, 12>