What is a compound inequality?
Assignment - Solving compound inequalities

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A compound inequality is an inequality that combines two or more simple inequalities using the words 'and' or 'or'.
2.
FLASHCARD QUESTION
Front
What does the 'AND' in a compound inequality signify?
Back
The 'AND' signifies that both conditions must be true at the same time.
3.
FLASHCARD QUESTION
Front
What does the 'OR' in a compound inequality signify?
Back
The 'OR' signifies that at least one of the conditions must be true.
4.
FLASHCARD QUESTION
Front
How do you solve the compound inequality 0 < x + 7 < 9?
Back
Subtract 7 from all parts: -7 < x < 2.
5.
FLASHCARD QUESTION
Front
What happens to the inequality sign when you multiply or divide by a negative number?
Back
You must rotate (flip) the inequality sign.
6.
FLASHCARD QUESTION
Front
What is the solution to the inequality 3x - 4 < -13?
Back
x < -3.
7.
FLASHCARD QUESTION
Front
What is the solution to the inequality 7x + 1 > 22?
Back
x > 3.
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