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Matrices and transformations questions

Matrices and transformations questions | form four Basic Mathematics

Find Matrices and transformations examination questions, form four Basic Mathematics in acaproso.com

# Question
1

Find the image of the point (2,5) after rotation by 90° anticlockwise
about the origin.


Mathematical Calculation
2

A translation T maps the origin onto the point (-2,3)
A second translation S maps the origin onto the point (1,-2)
Find where T followed by S will take the point (4,-5).


Mathematical Calculation
3

A linear transformation M maps the point (x,y) onto (x' ,y') where by  x' =x - y
y' =2x + y.

  1. Write the matrix M of this transformation.
  2. What is the matrix M^{-1}  or the inverse of M?
  3. Compute the product matrix MM^{-1}

Mathematical Calculation
4

What is the image of vector (-2,1) under the transformation
matrix egin{pmatrix} 3 &0 \ 0&3 end{pmatrix} followed by egin{pmatrix} 4&0 \ 0&4 end{pmatrix} ?


Mathematical Calculation
5

Reflect the vector (1,2) in the line y = -x.


Mathematical Calculation
6

A linear transformation T maps  ar{u}=(3,-4) into (-5,3)
and  ar{v}=(3,1) into (5,18). Find

  1.  The matrix T;
  2. T[3ar{u}-2ar{v}]

Mathematical Calculation
7

Find x and y given that; egin{pmatrix} x\y end{pmatrix}= egin{pmatrix} 4 &2 \ -1 & 0 end{pmatrix} egin{pmatrix} 3\-2 end{pmatrix}+ egin{pmatrix} 1\6 end{pmatrix}


Mathematical Calculation
8

What is a linear transformation?


Mathematical Calculation
9

Is a translation a linear transformation?


Mathematical Calculation
10

A translation takes the point (5, 8) to (12, -4). Find where it will take the point (8, 5).


Mathematical Calculation