Inequalities and Solving Inequalities
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which system of inequalities describes the graph?
Tags
CCSS.HSA.REI.D.12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which system of inequalities matches the graph?
y > 2x - 4
y < 2
y < 2x - 4
y < 2
y > 2x - 4
y < 2
y < 2x - 4
y < -2
Tags
CCSS.HSA.REI.D.12
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cody’s Gym charges a $15 fee to join and $30 per month. Tyler’s Gym charges a $30 fee to join and $20 per month. Write an inequality that could be used to determine after how many months Tyler’s gym would be a better deal.
30 + 20x < 15 + 30x
30x + 20 < 15x + 30
30 + 20x > 15 + 30x
30x + 20 > 15x + 30
Tags
CCSS.7.EE.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Carlos works at a movie theater selling tickets. The theater has 300 seats and charges $7.50 for adults and $5.50 for children. The theater expects to make at least $2000 for each showing. Which systems of inequalities represents this situation?
x+y≤300
7.5x+5.5y≥2000
x+y<300
7.5x+5.5y≥2000
x+y≤300
7.5x+5.5y≤2000
x+y>2000
7.5x+5.5y≤300
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You can work at most 20 hours next week. You need to earn at least $92 to cover you weekly expenses. Your math tutoring job pays $7.50 per hour and your job as a pet sitter pays $6 per hour. You can work at most 7 hours tutoring. Which system of linear inequalities to models the situation?
s + t < 20
6s + 7.50t ≥ 92
t >7
s + t ≤ 20
6s + 7.50t ≥ 92
t ≤ 7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the graph represented by the following system of
inequalities.
2x - y > 4
4x + 2y < 6
Tags
CCSS.HSA.REI.D.12
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The owner of Mark's Meat Market orders beef and chicken. He wants to but at least 50 pounds of meat but cannot spend more than $300. Beef is $3 a pound and chicken is $2 a pound.
Which system of inequalities models this situation?
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