
Fall Semester Review Honors
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear equation?
Back
A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b, where m is the slope and b is the y-intercept.
2.
FLASHCARD QUESTION
Front
How do you find the slope of a line from its equation?
Back
The slope (m) of a line in the equation y = mx + b is the coefficient of x. It represents the rate of change of y with respect to x.
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis. In the equation y = mx + b, it is represented by b.
4.
FLASHCARD QUESTION
Front
What is the formula for calculating probability?
Back
Probability is calculated as the number of favorable outcomes divided by the total number of possible outcomes: P(E) = Number of favorable outcomes / Total outcomes.
5.
FLASHCARD QUESTION
Front
What is a survey in statistics?
Back
A survey is a method of collecting data by asking people questions to gather information about their opinions, behaviors, or characteristics.
6.
FLASHCARD QUESTION
Front
How do you calculate combinations?
Back
Combinations are calculated using the formula: C(n, r) = n! / (r!(n - r)!), where n is the total number of items, r is the number of items to choose, and '!' denotes factorial.
7.
FLASHCARD QUESTION
Front
What does it mean if two events are independent in probability?
Back
Two events are independent if the occurrence of one event does not affect the probability of the other event occurring.
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