Inequalities

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Wayground Content
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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 compares two expressions using symbols such as <, >, ≤, or ≥.
2.
FLASHCARD QUESTION
Front
What does the symbol '≤' mean?
Back
The symbol '≤' means 'less than or equal to'.
3.
FLASHCARD QUESTION
Front
What does the symbol '≥' mean?
Back
The symbol '≥' means 'greater than or equal to'.
4.
FLASHCARD QUESTION
Front
How do you solve the inequality -4x + 14 ≤ 54?
Back
Subtract 14 from both sides: -4x ≤ 40. Then divide by -4 (remember to flip the inequality): x ≥ -10.
5.
FLASHCARD QUESTION
Front
What is the solution to the inequality 4x - 2 ≤ -22?
Back
Add 2 to both sides: 4x ≤ -20. Then divide by 4: x ≤ -5.
6.
FLASHCARD QUESTION
Front
What does it mean to graph an inequality?
Back
Graphing an inequality means representing the solution set on a number line, using an open or closed circle to indicate whether the endpoint is included.
7.
FLASHCARD QUESTION
Front
If n/3 - 7 ≤ -3, how do you solve for n?
Back
Multiply both sides by 3: n - 21 ≤ -9. Then add 21: n ≤ 12.
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