Rules for Inequalities

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alex bought 50 collectible stamps at a garage sale. Each week, he purchases 30 stamps to add to his collection. How many weeks will he need to purchase stamps to have more than 500 stamps?
50x + 500 < 30
30x + 50 > 500
500x + 30 > 50
30x + 50 < 500
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The 30 members of a choir are trying to raise at least $1,500 to cover travel costs to a singing camp. They have already raised $600. Which inequality could you solve to find the average amounts each member can raise that will at least meet the goal?
30x + 600 > 1,500
30x + 600 ≥ 1,500
30x + 600 < 1,500
30x + 600 < 1,500
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Johnny earns $15 per hour dog walking. He wants to earn at least $105 to buy a new bike. Which inequality represents how long Johnny needs to work to afford his new bike?
15h ≤ 105
15h > 105
15h < 105
15h ≥ 105
Tags
CCSS.6.EE.B.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The temperature in the ice rink must stay below 50°F. This morning, the temperature was 71°F. The ice rink runs a cooling device that can decrease the temperature by 3.5° every hour. Which inequality shows how long it will take for the temperature to fall below 50°F?
50 + 3.5x < 71
71 - 3.5x < 50
71 - 3.5x ≤ 50
71 + 3.5x < 50
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A taxi cab costs $1.75 and $0.75 for each additional mile. You have $20 to spend on you ride. Which inequality could be solved to find how many miles you can travel, if m is the number of additional miles?
1.75m + 0.75 ≥ 20
1.75m + 0.75 ≤ 20
0.75m + 1.75 ≥ 20
0.75m + 1.75 ≤ 20
Tags
CCSS.7.EE.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve.
|4v + 12| ≥ 6
v ≤ -4.5 or v ≥ -1.5
-4.5 ≤ v ≤ -1.4
-1.5 ≤ v ≤ 4.5
v ≤ -1.5 or v ≥ 4.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve.
|x + 4| < 5
x < -9 or x > 1
-9 < x < 1
x < 9 or x > -1
-1 < x < 9
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