review chapter 10 phong chau. rational exponent & radical b a c a² + b² = c²

Review Chapter 10

Phong Chau

Rational exponent & Radical

n maa nm

xxn n

n n nab a b n

nn

a a

b b

b

a

c a² + b² = c²

Simplify

41

32

23

21

41

31

16)8(25

)25(8164

83681 3

Simplify each expression

31

41

43

41

21

31

65

52

65

21

43

43

5

48

)6)5)4

)()3)281)1

vu

vu

t

w

y

y

azz

Write each expressionin simplified form

4 583 75

433

48)640)5

98)475)3

200)245)1

bayx

nmp

Add or subtract as indicated

3 53 53 5

44

1922481)4

5020)3

7527108)2

25)1

aaa

xx

Multiply and simplify

4 34 532

333

1616)6)25()5

)210)(210()4)432(6)3

156)2205)1

abba

xx

Divide

5 2

3

8

2)6

5

5)5

23

4)4

18

15)3

9

5)2

3

5)1

a

a

x

x

x

Simplify

3 2

3

32

2

3)5

5

12)4

12

5)3

27

5)2

25

3)1

w

b

a

x

a

Solve the equations

3 3

4

1) 5 3

2) 2 1 21 3

3) 3 6

4) 3 4 1 2 7

5) 2 1 7

6) 5 6 3 4 2

x

x

w w

q

x x

y y

Problems1. A 20-inch TV set has a width of 16

inches. What is its height?

2. A rectangular garden is 30 feet by 40 feet. What is the length of the diagonal?

3. Solve the following equations

5

) 2 7 4

) 3 2

a y y

b u

Complex Numbers

Add, subtract, multiply or divide as indicated

21 1i i

(2 5 ) (2 4 )

( 5 ) (1 3 )

(4 3 )(2 2 )

3 2

1 5

i i

i i

i i

i

i