Practice Test

Dushko has nickels and pennies in his pocket. The number of pennies is seven less than four times the number of nickels. Let n n represent the number of nickels. Write an expression for the number of pennies.

Round 28.1458 28.1458 to the nearest

ⓐ 5 11 5 11 to a decimal ⓑ 1.15 1.15 to a percent

Locate 3 5 , 2.8 , and − 5 2 3 5 , 2.8 , and − 5 2 on a number line.

In the following exercises, simplify each expression.

8 + 3 [ 6 − 3 ( 5 − 2 ) ] − 4 2 8 + 3 [ 6 − 3 ( 5 − 2 ) ] − 4 2

− ( 4 − 9 ) − ( 9 − 5 ) − ( 4 − 9 ) − ( 9 − 5 )

56 ÷ ( −8 ) + ( −27 ) ÷ ( −3 ) 56 ÷ ( −8 ) + ( −27 ) ÷ ( −3 )

16 − 2 | 3 ( 1 − 4 ) − ( 8 − 5 ) | 16 − 2 | 3 ( 1 − 4 ) − ( 8 − 5 ) |

−5 + 2 ( −3 ) 2 − 9 −5 + 2 ( −3 ) 2 − 9

180 204 180 204

− 7 18 + 5 12 − 7 18 + 5 12

4 5 ÷ ( − 12 25 ) 4 5 ÷ ( − 12 25 )

9 − 3 · 9 15 − 9 9 − 3 · 9 15 − 9

4 ( −3 + 2 ( 3 − 6 ) ) 3 ( 11 − 3 ( 2 + 3 ) ) 4 ( −3 + 2 ( 3 − 6 ) ) 3 ( 11 − 3 ( 2 + 3 ) )

5 13 · 47 · 13 5 5 13 · 47 · 13 5

− 5 9 10 21 − 5 9 10 21

−4.8 + ( −6.7 ) −4.8 + ( −6.7 )

34.6 − 100 34.6 − 100

−12.04 · ( 4.2 ) −12.04 · ( 4.2 )

( 8 13 + 5 7 ) + 2 7 ( 8 13 + 5 7 ) + 2 7

5 x + ( −8 y ) − 6 x + 3 y 5 x + ( −8 y ) − 6 x + 3 y

ⓐ 0 9 0 9 ⓑ 11 0 11 0

−3 ( 8 x − 5 ) −3 ( 8 x − 5 )

6 ( 3 y − 1 ) − ( 5 y − 3 ) 6 ( 3 y − 1 ) − ( 5 y − 3 )

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