Matrices and transformations questions | form four Basic Mathematics

(6196) Question Category: Mathematical Calculation

  1. Given A=egin{pmatrix} 2 & 6\ 4 & 8 end{pmatrix} Find A-1.
  2. Use the results obtained in part (a) to find the point of  intersection of the following system of simultaneous equations: left{egin{matrix} 2x+6y=22 \ 4x+8y=32 & end{matrix} ight.
  3. Find the image of the point obtained in part (b) above under a rotation 90° anticlockwise.

 

Answer / Solution

UNSOLVED

(6197) Question Category: Mathematical Calculation

Find the value of k such that the matrix egin{pmatrix} 2k+2 & k \ 4k-3 & k+ end{pmatrix} is singular.

Answer / Solution

UNSOLVED

(6198) Question Category: Mathematical Calculation

The vertices of ABC are A(1,2), B(3,1) and C(-2,1). If triangle ABC is reflected on the x­-axis, find the coordinates of the vertices of its image.

Answer / Solution

UNSOLVED

(6199) Question Category: Mathematical Calculation

Solve the following simultaneous equations by matrix method.

left{egin{matrix} 2x+3y-2=0\ -9y+8x-1=0 & end{matrix} ight.

Answer / Solution

UNSOLVED

(6200) Question Category: Mathematical Calculation

Reflect the point (1,2) in the line x+y=0.

Answer / Solution

UNSOLVED

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