Rational Numbers 1
Inequalities
Equations
Word Problems
Rational Numbers 2
100
-10 + 6
-4
100
Set up an inequality for the following word problem
I have to spend less than 40 dollars at the supermarket. Let x represent how much I spend at the supermarket.
x < 40
100
solve for x:
2x -14 = 8
x = 11
100
The charge for roller skating is $3 for the skate rental and $2 per hour to skate. How much would you pay if you skate for 4 hours?
3 + 2(4) = 11
100
7/5 x -1/5
-7/25
200
-1.1 + 1.1
0
200
Graph the following inequality
I have to spend less than 40 dollars at the supermarket. Let x represent how much I spend at the supermarket. (x < 40)
<----------0------------
40
200
Solve 46 + (-2k) for k = 3
40
200
You have $20 dollars to spend at the vending machine. Each snack cost 1.25. Write an inequality to represent how many snacks you can buy? Let s represent the number of snacks you buy?
1.25s (less than or equal to) 20
200
-1/2 x -2/5
2/10
300
-12 - 8
-20
300
Solve and graph the following inequatliy
4x + 12 > 16
x > 1
--------0--------->
1
300
x/3 -17 = 23
x = 120
300
A county fair cost $8 to enter plus an additional $1.50 per ticket for rides and food. What is the total cost for a visit if you and your 7 other friends go to the fair?
8 + 1.50 (8) = 20
300
-2/7 divided by -3/9
18/21
400
-11 - (-2)
-9
400
The temperature when you got up this morning was -4 degrees celsius. The temperature is predicted to increase by 2 degrees every hour but it won't go past 18 degrees celsius. Write an inequality to represent this situation. Let h represent the hours.
-4 + 2h (less than or equal) 18 OR 2h -4 (less than or equal) 18
400
-3x + -2 = 4
x = -2
400
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Use the venn diagriam to fill in the sentence stem properly A __________ is also an integer, but an integer is not always a _______. For example __________.
A whole number or a natural number is also an integer, but a integer is not always a whole number or a natural number. For example 2 is a whole number and a natural number therefore it has to be an integer. However -2 is an integer but it is NOT a whole number or a natural number.
400
-4 x 11
-44
500
-1/2 + 1/8
-3/8
500
The temperature when you got up this morning was -4 degrees celsius. The temperature is predicted to increase by 2 degrees every hour but it won't go past 18 degrees celsius. Let h represent the hours. Solve the inequality that represents this situation and graph it.
-4 + 2h (less then or equal to) 18
h (less then or equal to) 11
500
x/5 - 14 = 10
x = 120
500
True or False, a whole number is ALWAYS an integer
True! A whole number is ALWAYS an integer because whole numbers are positive numbers and zero while integers are negative numbers, positive numbers, and zero
500
-7 x 9
-49