yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Exploring scale copies


2m read
·Nov 11, 2024

We are told drag the sliders, and then they say which slider creates a scale copy of the shape, or which slider creates scale copies of the shape. So, let's just see, explore this a little bit.

Okay, that's pretty neat! These sliders seem to change the shape in some way and in different ways. So, shape B right over here, it starts off, it looks like the width is a little bit bigger than the height. I'm just trying to eyeball it; we don't know the exact numbers.

In order to create a scaled copy, you'd want to scale the width, you'd want to scale this bottom side and the top side and all of the sides. You would want to scale by the same factor. But as we move this slider, it seems like it's only scaling the width; it's not scaling the height.

So, this slider, shape B right over here, the slider for shape B is not creating scale copies of itself. It's only increasing the width, not the height. While shape A, it looks like it is increasing both the width and the height, so that would be a scaled copy.

For example, that looks like a scaled copy of this, which looks like a scaled copy of this, which looks like a scaled copy of that, which was our original shape. That is not a scaled copy of this.

Let's do another example. So, once again, they say drag the sliders, and they say which slider creates a scale copy of the shape.

Alright, let's get shape A. So, this does look like we're scaling down, but we're scaling both the width and the height by the same factor. So, shape, this shape A slider does look like it's creating scale copies of the shape B right over here.

Well, now we're only scaling; it looks like we're only scaling the height, but not the width. So, this is not creating scale copies of our original shape. It's elongating it; it's increasing its height but not the width.

More Articles

View All
Khan Academy for Texas Administrators Webinar 7.18.2024
Hello everyone! Welcome! Thank you for joining. We are going to get started in about 10 seconds. There are a lot of people pouring into the room, so you are here to see what Khan Academy has done to support Texas teachers. We’re so excited to be addressin…
The 6 BEST Purchases To Make In Your 20s
What’s up guys? It’s Graham here. So don’t ask me how this happened, but this morning I got insanely sidetracked looking through all of my previous YouTube videos, and wow, I talked a lot about the worst things that have happened to me. If you don’t belie…
How Are National Park Trips Different From What They Used to Be? | National Geographic
I think that every generation experiences the natural world differently. Like the 50s and 60s, like this glorified Yellowstone, go see the bears. Maybe during my parents’ generation, the park system was sort of blooming and emerging, whereas now it’s a bi…
Steve Jobs in Sweden, 1985 [HQ]
[Music] Glad to meet you. [Applause] The doors have been locked and all of you that don’t sign up to buy computers will stay here, and we will bring back the singers. I am extraordinarily pleased to be able to be here with you. This is one of my perso…
Interpreting statements about vectors | Vectors | Precalculus | Khan Academy
We’re told that particles A and B are moving along a plane. Their velocities are represented by the vectors vector A and vector B respectively. Which option best describes the meaning of the following statement? Choose one answer. So pause this video and…
Fever Feels Horrible, but is Actually Awesome!
Fever feels bad. So we take medication to suppress it – but is this a good idea? It turns out fever is one of the oldest defenses against disease. What exactly is it, how does it make your immune defense stronger and should you take a pill to combat it? …