Algebra Demystified 2nd Ed

126 algebra De mystif ieD

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

PRACTICE

Write the expression as a single root.

1. 10 =
   2.^4 x^3 =
   3.^572 x^4 =
   4.^215 ()x−= 84
   5.^3 y=

✔SOLUTIONS

1. 10 == 1012 () 10 12 12== 1014 410
   2.^4 xx^3 ==^34 ()xx^3412 ==^388 x^3
   3.^5722 xx^4 ==^5 ()^417 (( 22 xx^41 ))^7154 ==()^1354352 x


2. () ()(( )) ()
   ()

xxxx

x

−=−=−=−

=−

8888

8

215 4 2 415 41512430

(^22152) =− (^15) ()x 8

5.^3 yy==^13 ()yy^1312 ==^16 ()yy^1612 ==^11212 y

PRACTICE

Write the expression as a single root.

PRACTICE

Write the expression as a single root.