1. determine wheather -3.5 is a solution of the inequality x > -6 is -3.5 a solution

YES

2. 2. graph on a number line r< -5

-7 -6 -5 -4 -3
------0

3. graph on a number line where x is a real number -3 < x

-5 -4 -3 -2 -1
o------

4. solve then graph x+8 >4 the solution set is {x¦x>___ }.

X > -4

-5 -4 -3
o----

5. solve then graph a + 1 x+10 the solution set is {a¦ a ___ }

6. solve using the addition principal 2x + 8 x+10 the solution set {x ¦x=___ }

7. solve using the multiplication principle 5x -4

8. solve using the multiplication principle -2 x - 15

9. solving using the multiplication principle. Give the answer in set – builder notation -5x

10. solve using the addition and multiplication principles 11x -11 < -33 the solution is

x < -2

11. solve using the addition and multiplication principles 3.5x + 23.6 > 59.0 – 8.3x the solution set

x > 3

12. solve using the addition and multiplication principles - 1 solution set is simplify your answer

13. solve 4(2x-3)<28 the solution set is

x < 5

14. solve 4(3+4x)-9 115 the solution set is

15. solve 2(4y -8) 3 (4y +5) use set builder notation to describe the complete solution { y¦y?? simplify your answer. Type an inequality symbol; then type an improper fraction.

16. translate to an inequality the answer is least ll the answer is ??? use x as the variable

x ≥ 11

17. translate to an inequality use variable x the number of people in the chess club is less than or equal to 13 the answer is ???

x ≤ 13

18. translate to an inequality the average speed s, was between 120 and 130 mph

translation 120 < s < 130

18 translate to an inequality use the variable x the price of a baseball glove is at most $31.49 the answer is ?? $ ?.

x ≤ 31.49

20 translate to an inequality use variable x the price of an amusement park ticket is greater than or

equal to $22. the inequality is ?? $? simplify your answer put the variable on the left side of the

inequality

x ≥ 22

21. translate to an inequality use variable x my salary next year will be at least $34000. The correct inequality is

x ≥ 34000

22. you are taking a math course in which there will be four test, each worth a 100 points . You have scores of 89, 100, and 92 on the first three test. You must make a total of 360 in order to get an A what scores on the last test will give you an A the solution set is {s¦ ?} type an integer or decimal

79

23. A metal stays solid at Fahrenheit temperatures below 1757.7º determine ( in terms of an inequality) those Celsius temperatures for which the metal stays solid. Use the formula F= C + 32. the solution set is {C¦C < ?º } round to the nearest tenth

You didn’t type the formula correct, but the answer is:

958.7

24. the formula R = - 0.075t + 3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. Dertemine an inequality that identifies the years in which the world record will be less than 3.1 minutes solve for t > ? round to the nearest whole number.

t > 10

second part:

year is 1940

25. A car rents for $30 per day plus 23cents per mile. You are on a daily budget of $76. What mileage will allows you to stay within your budget the solution is {m ¦m ?}

200

26Mirandas financial aid stipulates that her tuition not exceed $1200. If her college charges a $45 registration fee plus $425 per course, what is the greatest number of courses for which Miranda can register? Miranda can register for at most ? courses your answer should be a whole number

2

27. the length of a rectangle is fixed at 20cm. What widths will make the perimeter greater than 96 cm? the width must be greater than ?cm.

28

28 Areduced fat cookie contains 5g of fat per serving. In order for food to be termed reduced fat, it must have at least 15% less fat than the regular item.What can you conclude about how much fat is in a serving of the regular cookie?

How much fat does a serving of regular cookies contain?

Greater than 5.9 (but with rounding, you may have different choices)

29. A certain kind of animal weighs about 77 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine those days for which the animal’s weight is more than 120 pounds.

Animal’s weight is more than 129 pounds when the animal is more than ? gays old.

Is it 129 or 120?

If it’s 129:

26

30. Joe’s electric made 19 customer calls last week and 22 calls this week. How many calls must bee made next week in order to maintain an average of 20 calls for the three week period.

At least ? calls must be made to maintain an average of 20 calls .

19