What is dilation in geometry?
22-23 Math 8 Q2 Benchmark Review edited

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Dilation is a transformation that alters the size of a figure but keeps its shape. It is defined by a center point and a scale factor.
2.
FLASHCARD QUESTION
Front
What does a scale factor of 3 mean in dilation?
Back
A scale factor of 3 means that every point of the figure is moved away from the center by a distance that is 3 times its original distance.
3.
FLASHCARD QUESTION
Front
What is the result of dilating the point B(4, 4) by a scale factor of 3?
Back
The new coordinates will be (12, 12).
4.
FLASHCARD QUESTION
Front
What does it mean for a system of equations to have no solution?
Back
A system of equations has no solution when the lines represented by the equations are parallel and never intersect.
5.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y=2x+4?
Back
The slope is 2.
6.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation is an operation that moves or changes a shape in some way to produce a new shape.
7.
FLASHCARD QUESTION
Front
What are the types of transformations that preserve congruence?
Back
Reflections, translations, and rotations preserve congruence.
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