Vocabulary
A mathematical statement that two quantities are not equal
inequality
Write in words p<4
p is less than 4
t+3<10
t<7
p/4>2
p>8
7<=2t-5
t>=6
-4<t+6<10
-10<t<4
|x|-7<=15
-22<=x<=22
What popular cartoon family did Charles Addams help create?
The Addams Family
A statement formed by combining two simple inequalities with the words AND or OR
compound inequality
Write in words 2(3-5)>=k
2 times 3 minus 5 is greater than or equal to k
x+2.3>=6.8
x>=4.5
-18<6t
t> -3
-4(2-5)>(-3)^2-h
h> -3
-3+r>4 OR r+1<-1
r>7
OR
r<-2
|x+4|>8
x<-12 OR x>4
brown sugar
The numbers that are solutions to both inequalities of a compound inequality
intersection
The temperature must be at least 72 degrees
t>=72
h-2/8<3/4
h<1
27<-9h
h<-3
-3(2-q)>=6(q+1)
q<=-4
2>n+3>5
NO SOLUTIONS
|x-1/2|+4<=5/2
NO SOLUTION
Tirana is the capital of which country?
Albania
Any value that makes an inequality true
solution
No more than 12 students were present
s<=12
Tammy wants to run at least 10 miles per week. So far this week, she ran 4.5 miles. Write and solve an inequality to determine how many more miles Tammy must run this week to reach her goal.
Tammy must run 5.5 miles or more.
4.5+m>=10; m>=5.5
Notebooks cost $1.39 each. What are the possible numbers of notebooks that can be purchased with $10?
The most amount of notebooks that can be purchased is 7
x<=7
Carl's Cable Company charges $55 for monthly service plus $4 for each pay-per-view movie. Teleview Cable Company charges $110 per month with no fees for movies. For what number of movies is the cost of Carl's Cable Company less than the cost of Teleview?
The cost is less than 13 movies
x<13
3<s+9 OR
1>s-4
ALL REAL NUMBERS
14|x|-15>=41
x<=-4
OR
x>=4
What is the name for the arrow-like projectiles fired by a crossbow?
bolts
The numbers that are solutions to either inequality of a compound inequality is the...
union
It takes less than 30 minutes to complete the lab activity
m<30
Rob has a gift card for $50. So far, he has selected a shirt that costs $32. Write and solve an inequality to determine the additional amount Rob could spend without exceeding the gift card limit.
Rob can spend $18 or less.
32+d<=50; d<=18
A senior class is selling lanyards as a fundraiser. The profit for each lanyard is $0.75. Write and solve an inequality to determine the number of lanyards the class must sell to make a profit of at least $250.
They must sell at least 334 lanyards.
0.75n>=250; n>=333 1/3
Hanna has a savings account with a balance of $210 and deposits $16 per month. Faith has a savings account with a balance of $175 and deposits $20 per month. Write and solve an inequality to determine the number of months Hanna's account balance will be greater than Faith's account balance.
210+16m>175+20m; 8.75>m
One day, the high temperature was 84 degrees and the low temperature was 68 degrees. Write and solve a compound inequality to represent the day's temperature.
68<=t<=84
The water depth for a pool is set to 6 ft, but the actual depth of the pool may vary by as much as 4 in. Write and solve an absolute-value inequality to find the range of possible water depths in inches.
|d-72|<=4; 68<=d<=76
What is an Otoscope used to look at?
The ear