1001 Algebra Problems.PDF

890.Write this system in matrix form:

a.

b.

c.

d.

891.Write this system in matrix form:

a.

b.

c.

d.

892.Which of the following systems can be written

in the matrix form

?

a.

b.

c.

d.

893.Which of the following systems can be written

in the matrix form

?

a.

b.

c.

d.*32 232 1xyxy+=+=–

32 2

32 1

xy

xy

––

–

=

* =

23 1

xy

xy

23 2+=–

* +=

22

21

xy

xy

3

3

––

–

=

* =

x

32 y

32 2

= 1

>>>HH H−

––2

21

x

xy

=

* +=

––2

21 –

x

xy

=

* =

–2

2– 1

x

xy

=

* =

––2

–2 1

x

xy

=

* +=

–1

2

0

–1

x 2

y = 1

>>>HH H−

x

y

0 2

11

4

0

–

–

>>>HH H= –

x

y

0

2

1

1

0

>>>– − HH H= – 4

x

y

1

2

1

0

4

0

–

–

–

>>>HH H=

x

2 y

1

1

04

–– = 0

−

>>>HH H

xy xy

xy yx

235124

32 – 3

− +=+ −

* −−=++

x

y

2

0

12

3

4

>>>––HH H= 2

x

y

2

0

12

3

2

– 4

–

>>>HH H=

x

y

2

12

0

3

2

– 4

>>>HH H= –

x

y

3

12

0

2

2

4

>>>––HH H=

()

x

yx

132

23 612

–––

––

=

* =

• MATRIX ALGEBRA–