Warm Up 12/5-Inequalities in Real-Life Scenarios

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an inequality?
Back
An inequality is a mathematical statement that shows the relationship between two expressions that are not equal, using symbols such as <, >, ≤, or ≥.
Tags
CCSS.6.EE.B.8
2.
FLASHCARD QUESTION
Front
How do you represent a real-life scenario with an inequality?
Back
You identify the quantities involved, determine the relationship between them, and express it using an inequality symbol.
Tags
CCSS.6.EE.B.8
3.
FLASHCARD QUESTION
Front
What does the symbol '≥' mean in an inequality?
Back
The symbol '≥' means 'greater than or equal to', indicating that the value on the left is either greater than or equal to the value on the right.
Tags
CCSS.6.EE.B.8
4.
FLASHCARD QUESTION
Front
What does the symbol '≤' mean in an inequality?
Back
The symbol '≤' means 'less than or equal to', indicating that the value on the left is either less than or equal to the value on the right.
Tags
CCSS.6.EE.B.8
5.
FLASHCARD QUESTION
Front
How do you solve the inequality 500 - 25x ≥ 200?
Back
To solve, subtract 500 from both sides: -25x ≥ -300. Then divide by -25 (remember to flip the inequality): x ≤ 12.
Tags
CCSS.6.EE.B.8
6.
FLASHCARD QUESTION
Front
What is the first step in solving the inequality 5x + 10 ≥ 100?
Back
Subtract 10 from both sides: 5x ≥ 90.
Tags
CCSS.7.EE.B.4B
7.
FLASHCARD QUESTION
Front
How do you find the maximum number of hours a DJ can play if the total cost must be under $600?
Back
Set up the inequality 125x + 55 < 600 and solve for x.
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