Defining variables

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a variable in mathematics?
Back
A symbol used to represent an unknown value in an equation or expression.
2.
FLASHCARD QUESTION
Front
What does the equation y = mx + b represent?
Back
It represents the slope-intercept form of a linear equation, where m is the slope and b is the y-intercept.
3.
FLASHCARD QUESTION
Front
In the equation y = 5x + 20, what does x represent?
Back
x represents the number of months in the context of a monthly fee.
4.
FLASHCARD QUESTION
Front
How do you define a constant in an equation?
Back
A constant is a fixed value that does not change.
5.
FLASHCARD QUESTION
Front
What is the purpose of defining variables in a problem?
Back
Defining variables helps to translate a real-world situation into a mathematical model.
6.
FLASHCARD QUESTION
Front
What does the term 'slope' refer to in a linear equation?
Back
The slope indicates the rate of change of y with respect to x.
7.
FLASHCARD QUESTION
Front
In the context of the airplane descending problem, what does y represent?
Back
y represents the altitude of the airplane above the ground.
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