Looking at the image, I can see it’s a study guide about dilations in geometry. The key information is:
- A dilation creates a similar shape (same shape, different size).
- Scale factor determines if it’s an enlargement (>1) or reduction (<1).
- When you apply a scale factor to coordinates, you multiply each coordinate by that factor: (x,y) → (scale × x, scale × y).
- Orientation is preserved — meaning the figure doesn’t flip or rotate.
- Congruence is NOT preserved — because the size changes.
- Preimage = original shape; Image = new shape after dilation.
There are three examples shown on the right side with graphs and coordinate transformations:
Example 1:
Scale Factor = 2
A(2,1) → A'(4,2)
B(-2,-1) → B'(-4,-2)
C(1,-2) → C'(2,-4)
This matches: (x,y) → (2x, 2y)
Example 2:
Scale Factor = 2
A(4,2) → A'(8,4)
B(0,0) → B'(0,0)
C(3,-4) → C'(6,-8)
Again: (x,y) → (2x, 2y)
Example 3:
Scale Factor = 0.5
A(4,4) → A'(2,2)
B(2,-2) → B'(1,-1)
B''? Wait — there’s a typo here. It says B'(2,-2) then B''(1,-1), but likely meant B(2,-2) → B'(1,-1)
And (x,y) → (0.5x, 0.5y)
All examples follow the rule: Multiply each coordinate by the scale factor.
Now, since the user didn’t ask for explanation, teaching, or practice — and only uploaded the image — I need to infer what they want solved. But looking at their options: ExplainAnswer=false, TeachTopic=false, GeneratePractice=false — so none of those sections should appear.
But wait — the instruction says “Solve the problem accurately.” However, no specific question was asked. The image is just informational notes.
Perhaps the student wants me to verify or summarize the content? Or maybe there’s an implied task like “What happens when you dilate a point?”
Since no explicit problem is given, and all user options are false, I should still provide a final answer based on the most logical interpretation — which is probably confirming how dilations work using the examples.
Let me check one calculation from Example 3 to be sure:
Original point A(4,4), scale factor 0.5 → 4×0.5=2, 4×0.5=2 → A'(2,2) ✔️
Point B(2,-2) → 2×0.5=1, -2×0.5=-1 → B'(1,-1) ✔️
Everything checks out.
Final Answer:
When performing a dilation, multiply each coordinate of the preimage by the scale factor to get the image. For example, with scale factor 2, (x,y) becomes (2x, 2y); with scale factor 0.5, (x,y) becomes (0.5x, 0.5y). This preserves orientation but not congruence.
Parent Tip: Review the logic above to help your child master the concept of algebraic representations of dilations worksheet.