Math 7 EXT Weekly Flashcardizz #21 2024-25

Flashcard
•
Mathematics
•
9th 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 and shows that one is greater than, less than, or not equal to the other.
2.
FLASHCARD QUESTION
Front
How do you graph an inequality on a number line?
Back
To graph an inequality, use an open circle for < or > and a closed circle for ≤ or ≥. Shade the region that represents the solution set.
3.
FLASHCARD QUESTION
Front
What does the term 'solution set' mean in the context of inequalities?
Back
The solution set is the set of all values that satisfy the inequality.
4.
FLASHCARD QUESTION
Front
What is the difference between positive and negative association in graphs?
Back
Positive association means that as one variable increases, the other also increases. Negative association means that as one variable increases, the other decreases.
5.
FLASHCARD QUESTION
Front
What is a quartile in statistics?
Back
A quartile is a type of quantile that divides a data set into four equal parts.
6.
FLASHCARD QUESTION
Front
What is the upper quartile?
Back
The upper quartile (Q3) is the median of the upper half of a data set, representing the 75th percentile.
7.
FLASHCARD QUESTION
Front
How do you solve the inequality 6(n + 2) < -72?
Back
First, distribute: 6n + 12 < -72. Then, subtract 12: 6n < -84. Finally, divide by 6: n < -14.
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