1001 Algebra Problems.PDF

• MATRIX ALGEBRA–

941. Solve this system using Cramer’s rule:

a.x= –5,y= –3

b.x= 5,y= 3

c.There are infinitely many solutions.

d.There is no solution.

942. Solve this system using Cramer’s rule:

a.x= –1,y= 4

b.x= 1,y= –4

c.There is no solution.

d.There are infinitely many solutions.

943. Solve this system using Cramer’s rule:

a.x= 1,y= –2

b.x= –1,y= 2

c.There is no solution.

d.There are infinitely many solutions.

944. Solve this system using Cramer’s rule:

a.x= 5,y= –7

b.x= –5,y= 7

c.There is no solution.

d.There are infinitely many solutions.

x

y

0

4

2

0

14

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x

y

1

1

1

0

1

1

–

–

––=

>>>HH H

x

y

3

9

2

6

4

12

–

>>>– HH H=

x

y

3

3

2

2

2

1

= –

>>>HH H