Modelling involving Numerical Methods (Edexcel A-Level Mathematics): Quizzes

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Basic Vectors
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What two properties do vectors have?

Magnitude and direction

What is the magnitude of (34)\begin{pmatrix} 3 \\ 4 \end{pmatrix}?

55

What is (25)+(31)\begin{pmatrix} 2 \\ 5 \end{pmatrix} + \begin{pmatrix} 3 \\ 1 \end{pmatrix}?

(56)\begin{pmatrix} 5 \\ 6 \end{pmatrix}

What does scalar multiplication change in a vector?

Magnitude but not direction

What does the vector (23)\begin{pmatrix} 2 \\ 3 \end{pmatrix} mean?

Move 22 in xx, then 33 in yy

What does a position vector tell you?

How to get from origin to a point

What is the formula for AB→\overrightarrow{AB}?

B−AB - A

Find AB→\overrightarrow{AB} from A(14)A\begin{pmatrix} 1 \\ 4 \end{pmatrix} to B(52)B\begin{pmatrix} 5 \\ 2 \end{pmatrix}.

(4−2)\begin{pmatrix} 4 \\ -2 \end{pmatrix}

What is a unit vector?

A vector with magnitude of 11 unit

How do you find a unit vector parallel to (73)\begin{pmatrix} 7 \\ 3 \end{pmatrix}?

Divide by 58\sqrt{58}

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Modelling involving Numerical Methods

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