Practice Problems for

Chapter 2: lessons 5 - 8

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5_____-5

-0.7_____0.4

1.1 _____ 0.7

-6 (7) =

-5 (-8) =

6 (-4) =

22 ÷ -11 =

-14 ÷ -7 =

14 ÷ -2 =

if a = - 4 and b = 2:
a + b =

if a = - 4 and b = 2:
- ( a - b) =

if a = -4 and b = 2:
ab =

find for m:
3m =9

find for m:
m - 6 =8

find for m:
6 + m = 4

112 =



5
3 =

20 =

(- 6) 3 =

- (6) 2 =

- (- 6) 2 =

(7) (72 ) =

(h2 ) (h5 )=

(k7 ) ÷ (k2 )=

if a = -5, b = 4, c = 8:

a3 =

if a = -5, b = 4, c = 8:

6b2 =

if a = -5, b = 4, c = 8:

- ab2c =

(12) - 2 =

(85 ) ( 8-3 )=

(- 6) - 2 =

(52 ) (5- 6 ) ( 5 )=

(w- 9 ) (w0 ) (w5 )=

(a- 8 ) (b2 ) ( a5 )=

 

 

 

Solutions

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5_____-5

-0.7_____0.4

1.1 _____ 0.7

5__>__-5

-0.7__<__0.4

1.1 __>__ 0.7

-6 (7) =

-5 (-8) =

6 (-4) =

= -42

= 40

= -24

22 ÷ -11 =

-14 ÷ -7 =

14 ÷ -2 =

= -2

= 2

= -7

if a = - 4 and b = 2:
a + b =

if a = - 4 and b = 2:
- ( a - b) =

if a = -4 and b = 2:
ab =

-4 + 2 = -2

-(-4 -2) = -(-6) = 6

(-4)(2) = -8

find for m:
3m =9

find for m:
m - 6 =8

find for m:
6 + m = 4

m = 3

m = 14

m = -2

112 =

53 =

20 =

= 121

= 125

= 1

(- 6) 3 =

- (6) 2 =

- (- 6) 2 =

= - 216

= - 36

= - 36

(7) (72 ) =

(h2 ) (h5 )=

(k7 ) ÷ (k2 )=

= 73 = 343

= h7

= k7 - 5 = k2

if a = -5, b = 4, c = 8:

a3 =

if a = -5, b = 4, c = 8:

6b2 =

if a = -5, b = 4, c = 8:

- ab2c =

= (-5)3 = -125

= (6) (42) = 96

= -(-5)(42)(8)= -640

(12) - 2 =

(85 ) ( 8-3 )=

(- 6) - 2 =

= 1/122 = 1/144

= 82 = 64

= 1/(-6)2 = 1/36

(52 ) (5- 6 ) ( 5 )=

(w- 9 ) (w0 ) (w5 )=

(a- 8 ) (b2 ) ( a5 )=

= 5-3 = 1/53 = 1/125

= w-4

= a-1 = 1/a

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