Algebra Demystified 2nd Ed

Chapter 5 eX P O Ne N T S a N D r O O T S 131

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

13. Rationalize the denominator:^15
    3

.

a.^153

b.^453

C.^533

D. 53

14. Write^6745 xx−+ as a product.

a. () 67 xx−+() 45 −^1

b. () 67 xx−− +[( 45 )]

C. () 67 xx−−−() 45

D.^6745 xx−+ cannot be written as a product.

15.^73
x^2
=

a.^733

x^2

b.^633

x^2

C.^73

x^2

D.^213

x^2

16.^348 xy^46 =

a. 26 xy^23 xy

b. 26 xy^23 x

C. 23 xy^3 xy

D. 23 xy^3 x