math

Quiz 9 Name: ___________________________

Math 175 (Show Your Work )

1. Evaluate each determinant.

(a)

34

52

-

(b)

478

213

630

-

-

2. Use Cramer’s rule to solve

242

323

4217

xyz

xyz

xyz

-+=-

ì

ï

+-=-

í

ï

++=

î

(over)

3. Find the partial fraction decomposition for

(

)

(

)

2

415

11

xx

xxx

--

+-

4. Find the partial fraction decomposition for

5432

2

2332

252

xxxxx

xx

+--+

++

5. Graph the solution set of

2

24

1

xy

yx

+£

ì

í

³-

î

_1593284993.unknown

_1593286483.unknown

_1593286584.unknown

_1593287008.unknown

_1593285302.unknown

_1593284751.unknown