Algebra Demystified 2nd Ed

130 algebra De mystif ieD

DeMYSTiFieD / algebra DeMYSTiFieD / HuttenMuller / 000-0 / Chapter 5

9.

4

32

1

()xx++^2 ()yx() 32 ()xy

+

++

=

a.^42

322

++

++

xy

()xx()y

b.^42

(^292)
++
++
xy
()xx()y
C.^7
322

• ++
  x
  ()xx()y
  D.^7
  (^292)


• 
  

  ++
  x
  ()xx()y

  
  

10.^133242
xy x

x

y

−+=

a. xyxy

xy

−+ 3433

23

b. xyxy

xy

−+ 34

23

C.^134

3

23

−+yy

xy

D. xxyy

xy

233

23

−+ (^34)

11. Simplify 18 y^3.

a. 36 yy

b. 32 y

C. 32 yy^2

D. 32 yy

12. Rewrite 14 x using a fraction exponent.
    a. 14 x^21 /
    b. () 14 x^21 /
    C. () 14 x^12 /
    D. 14 x^12 /