SOLUTION: A. Write down the matrix M of the linear transformation M: (x,y)---->(kx+y, 3x+ky) B. If the image of (-1, 2) under M is (a. -7), find the value of a THANK YOU

SOLUTION: A. Write down the matrix M of the linear transformation M: (x,y)---->(kx+y, 3x+ky) B. If the image of (-1, 2) under M is (a. -7), find the value of a THANK YOU

Algebra.Com

Question 1017823: A. Write down the matrix M of the linear transformation
M: (x,y)---->(kx+y, 3x+ky)
B. If the image of (-1, 2) under M is (a. -7), find the value of a
THANK YOU
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!





Given:



Therefore:




   -k+2 = a, -3+2k = -7
                2k = -4
                 k = -2

-(-2)+2 = a  
    2+2 = a
      4 = a

Edwin

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