Transformations Using Matrices

What do w, x, y and z equal in this matrix equation?

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

Determine the new image after using the 2 transformations

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Determine the values of a and b and the effect of the matrix multiplication on the point (3,6)

• No effect... The identity transformation

• Reflection over the y-axis

• Reflection over the x-axis

• 90 degree rotation of the point (3,6)

What is the entry in the a₂₂ position...

• 9

• 1

• -8

• 0

Determine "a" and "b" in the new matrix

• a = -3 and b= -8

• a = 3 and b = 8

• a = -1 and b = 2

• a = 1 and b = 2

Determine the values of a,b,c,d in the new matrix

• a=-16, b= 11, c= -18, d = -9

• a=-8, b= -1, c= -2, d = -9

• a= -16, b= -1 , c= -2 ,d = -9

• a = -16, b= -1 c = -18, d = -9

Determine the values of a,b,c,d,e in the new matrix

• a=-1, b= -4, c= -2, d= 7, e =1

• a =-1, b = -2, c= 4, d= 7, e= -1

• a =-1, b= 2, c=-4, d= 7, e= 1

• a= -1, b = -4, c =2, d= 7, e = -1

Determine the values of a and b and the effect of the matrix multiplication on the point (5,1)

• reflection over the x-axis

• reflection over the y-axis

• reflection over the line y =-x

• reflection of the line y = x

Find the values of x and y by using the inverse...

• x=15, y= 17

• x= 21, y= 18

• x=7, y= -3

• x= 4, y= 1

What is A^-1?

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