Introduction to Vectors

the magnitude (or length) of u. If necessary, leave as a square root.

• √63
• 3
• √65
• 9

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CCSS.HSN.VM.A.1

|u|, the magnitude of u. Round to three decimal places, if necessary.

• 13
• 8.944
• 8
• 14.422

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CCSS.HSN.VM.A.1

|v|, the magnitude of v. Round to three decimals, if necessary.

• 8
• 13
• 14.422
• 8.944

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CCSS.HSN.VM.A.1

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

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CCSS.HSN.VM.A.1

Find the direction angle for the vector <2, 7>

• 74.05°
• 15.95°
• 195.94°
• 97.28°

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CCSS.HSN.VM.A.1

Find the direction angle for the vector <5, -2>

• 338.20°
• 21.80°
• 291.80°
• 68.2°

the direction (θ) for vector v. Round to three decimals.

• -74.054^o
• 105.945^o
• -15.945^o
• 164.055^o

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CCSS.HSN.VM.A.1

Another name for the "tail" of a vector

• Terminal Point

• Standard Position

• Initial Point

• Magnitude

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CCSS.HSN.VM.A.1

Another name for the "tip" of the vector

• Terminal point

• Initial point

• Standard position

• Direction

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CCSS.HSN.VM.A.1

When the vector's initial point is at the origin, it is in ___.

• quadrant bearing

• true bearing

• resultant

• standard position.