Matrices and transformations questions | form four Basic Mathematics

(1867) Question Category: Mathematical Calculation

Evaluate the following expression 3egin{bmatrix} 2 &4 \ -3& 1 end{bmatrix}- 2egin{bmatrix} 1 &7 \ 2& -3 end{bmatrix} + 4egin{bmatrix} 2 &-3 \ 1& -2 end{bmatrix}

Answer / Solution

UNSOLVED

(1868) Question Category: Mathematical Calculation

Find x and y given that egin{pmatrix} 4 &5 \ 2& 3 end{pmatrix} egin{pmatrix} x\y end{pmatrix} = egin{pmatrix} 3\-1 end{pmatrix}.

Answer / Solution

UNSOLVED

(1869) Question Category: Mathematical Calculation

Find the image of the point (2, 4) when it is

  1. reflected about the line y + x = 0
  2. rotated through 180° about the origin
  3. translated by the vector ar{a} = (2, 4).

Answer / Solution

UNSOLVED

(1870) Question Category: Mathematical Calculation

A triangle with vertices 0(0, 0), B(2, 0) and C(2, 3) is enlarged by the matrix egin{pmatrix} 3 &0 \ 0&3 end{pmatrix} to a triangle with vertices O', B' and C'. Draw on the same set of axes the triangles
OBC and O'B'C'.

Answer / Solution

UNSOLVED

(1871) Question Category: Mathematical Calculation

Find the image of (7, 6) under a rotation through 180° followed by another rotation of 90°

Answer / Solution

UNSOLVED

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