What is the solution of a system of linear equations represented graphically?
Semester 1 Final Review

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Mathematics
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9th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The solution is the point where the two lines intersect, representing the values of the variables that satisfy both equations.
2.
FLASHCARD QUESTION
Front
What does it mean if there is no correlation between two variables?
Back
No correlation means that changes in one variable do not predict changes in the other variable.
3.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
4.
FLASHCARD QUESTION
Front
What does it mean if a set of values is NOT a function?
Back
It means that at least one input (x-value) is associated with more than one output (y-value).
5.
FLASHCARD QUESTION
Front
How do you determine if two linear equations have infinitely many solutions?
Back
Two linear equations have infinitely many solutions if they represent the same line, meaning they have the same slope and y-intercept.
6.
FLASHCARD QUESTION
Front
What is the formula for the slope of a line?
Back
The slope (m) is calculated as m = (y2 - y1) / (x2 - x1) between two points (x1, y1) and (x2, y2).
7.
FLASHCARD QUESTION
Front
How do you find the point of intersection of two lines?
Back
To find the point of intersection, solve the system of equations formed by the two lines simultaneously.
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