What is a vector in geometry?
Geometry Semester Review

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Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A vector is a quantity that has both magnitude and direction, often represented as an arrow.
2.
FLASHCARD QUESTION
Front
How do you find the image of a point after a translation?
Back
To find the image of a point after a translation, add the translation vector's components to the original point's coordinates.
3.
FLASHCARD QUESTION
Front
What is the midpoint of a line segment?
Back
The midpoint of a line segment is the point that divides the segment into two equal parts, calculated as the average of the x-coordinates and the y-coordinates of the endpoints.
4.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a triangle?
Back
The perimeter of a triangle is the sum of the lengths of its three sides.
5.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point after a 180° rotation about the origin?
Back
After a 180° rotation about the origin, the coordinates (x, y) become (-x, -y).
6.
FLASHCARD QUESTION
Front
How do you calculate the length of a segment given its endpoints?
Back
The length of a segment with endpoints (x1, y1) and (x2, y2) is calculated using the distance formula: √((x2 - x1)² + (y2 - y1)²).
7.
FLASHCARD QUESTION
Front
What is the significance of the coordinates in a Cartesian plane?
Back
Coordinates in a Cartesian plane represent the position of a point relative to two perpendicular axes (x and y).
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