DATE PERIOD Homework Practice - Weebly

[Pages:2]DATE

Homework Practice

J Write and Graph Inequalities

PERIOD

Write an inequality for each sentence.

1. More than 2,500 people attended the convention. p pecpU A If^t-A C\\>^^

p > zsoo

2. Her earnings were no more than $64. 6 60./^^^^ S

3. The w i n n i n g 5 K race time was less than 22 minutes.

4. A checking-account balance is no more t h a n $500. b

^^'^'^ ^

5. A maximum ceiling height of 8 feet was required i n the new buildings. K '

^ ^

6. A m i n i m u m number of 12 participants is required to hold a bike rally.

li

P^ix

Graph each inequality on a number line.

7. > 15

H h 13 14 15 16 1

8. s < 6

M

5

H

h

9. 6 H> 13 h

11 12

0~\y^^h^ IP^"'^ '

13 14 15

10. ;c < 23

21 22

11. r > 18

12. r > 5

24 25

-1i6 1f7 f r 19 20

H

^

?

3

4

5

6 7

13. X > 30

14. 6 < 4

15. a > 9

-h--H

^

28 29 30 31 32'

234 56

H f9 10

16. DONATIONS Total donations at the Fireman's Ball failed to reach $940. Write and graph an inequality that represents the amount raised.

? ^?CD I -- ^

920 930 940 950 960

.

A ^ > n,

^^J^'''^^fflS^^^^ For more examples, go to .

Chapter 8

53

Course 1

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DATE

Problem-Solving Practice

Write And Graph Inequalities

PERIOD

1. ROLLER COASTER I n order to ride a roller coaster at the theme park, riders must be a t least 52 inches t a l l . W r i t e and graph an inequality to show the safe heights for riders.

h -Q 50 51 52

i ^1 - IK& \

H 53 54

S2- y\cUs

2. FARMING One forklift can raise a maximum of 2,000 kilograms. Write and graph an inequality to describe the number of kilograms the forklift can raise.

1500

2000

2500

3. INTERSTATES On interstate highways, the minimum allowable lane width is 12 feet. Write and graph an inequality to show the possible w i d t h of a lane.

4. TRAVEL Traveling salespeople for a book company are paid at least $250 for each trip they take to sell books. Write and graph an inequality to describe the amount salespeople are paid per trip.

4= 10 11 12 13 14

10 = ^ \

125

250

375

5. SPEED LIMIT The speed l i m i t on most state roads is 55 miles per hour. Write and graph an inequality to describe the legal speed on state roads.

45 50 55 60 65

6. TRIP Seniors who w a n t to go on the group trip to the mountains have to pay at least $400 of their total bill before the payment deadline. Write and graph an inequality to describe the acceptable payment.

1 0 \V 300 350 400 450 500

S <

? > H-oo

Chapter 8

54

Course 1

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