What is a line of best fit?
1st Semester Exam

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A line that best represents the data on a scatter plot, showing the trend of the data points.
2.
FLASHCARD QUESTION
Front
How do you determine if an equation has one solution, no solutions, or infinitely many solutions?
Back
By simplifying the equation and checking if it leads to a true statement (one solution), a false statement (no solutions), or an identity (infinitely many solutions).
3.
FLASHCARD QUESTION
Front
Solve for x: 5x + 4 = 2x + 4
Back
x = 28
4.
FLASHCARD QUESTION
Front
What does the inequality -7y ≤ 14 represent?
Back
It represents all values of y that are greater than or equal to -2.
5.
FLASHCARD QUESTION
Front
What does it mean if a graph has a linear and negative association?
Back
As one variable increases, the other variable decreases in a straight-line pattern.
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).
7.
FLASHCARD QUESTION
Front
What is the difference between a linear and non-linear graph?
Back
A linear graph forms a straight line, while a non-linear graph forms a curve.
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