What is the formula to find the midpoint of a line segment with endpoints (x1, y1) and (x2, y2)?
Math 1 EOC Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Midpoint = ((x1 + x2)/2, (y1 + y2)/2)
2.
FLASHCARD QUESTION
Front
What is an outlier in a data set?
Back
An outlier is a value that is significantly higher or lower than the other values in a data set.
3.
FLASHCARD QUESTION
Front
How does removing an outlier affect the mean of a data set?
Back
Removing an outlier can increase or decrease the mean, depending on whether the outlier is above or below the mean.
4.
FLASHCARD QUESTION
Front
What is the maximum value of a quadratic function in the form f(x) = ax^2 + bx + c when a < 0?
Back
The maximum value occurs at the vertex, which can be found using x = -b/(2a).
5.
FLASHCARD QUESTION
Front
What is the area of a rectangle?
Back
Area = length × width.
6.
FLASHCARD QUESTION
Front
How do you determine the area of a polygon given its vertices on a coordinate plane?
Back
Use the shoelace formula: Area = 0.5 * |Σ(xi*yi+1 - xi+1*yi)|, where (xi, yi) are the vertices.
7.
FLASHCARD QUESTION
Front
What is the difference between a maximum and a minimum in a function?
Back
A maximum is the highest point on the graph, while a minimum is the lowest point.
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