What is an inequality?
Inequalities (8th Grade) - Period 6

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•
Mathematics
•
7th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An inequality is a mathematical statement that compares two expressions using inequality symbols (such as <, >, ≤, ≥) to show that one expression is larger or smaller than the other.
2.
FLASHCARD QUESTION
Front
What does the symbol '≥' mean?
Back
The symbol '≥' means 'greater than or equal to'. It indicates that the value on the left is either greater than or equal to the value on the right.
3.
FLASHCARD QUESTION
Front
How do you represent a situation where a person has a certain amount of money and wants to keep at least a minimum amount after spending?
Back
You can represent this situation with an inequality. For example, if a person has $500 and wants to keep at least $200, the inequality would be: 500 - amount spent ≥ 200.
4.
FLASHCARD QUESTION
Front
What happens to the inequality symbol when you multiply or divide both sides by a negative number?
Back
When you multiply or divide both sides of an inequality by a negative number, you must flip the inequality symbol.
5.
FLASHCARD QUESTION
Front
What is a solution to the inequality x < 8?
Back
Any number less than 8 is a solution. For example, 7, 0, and -3 are all solutions.
6.
FLASHCARD QUESTION
Front
How do you solve the inequality 5(6 + 3r) + 7 ≥ 127?
Back
First, simplify: 30 + 15r + 7 ≥ 127. Then, combine like terms: 15r + 37 ≥ 127. Subtract 37 from both sides: 15r ≥ 90. Finally, divide by 15: r ≥ 6.
7.
FLASHCARD QUESTION
Front
What is the first step in solving the inequality 2x + 3 < 11?
Back
The first step is to subtract 3 from both sides: 2x < 8.
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