I need help on some geometry questions.

- anonymous

I need help on some geometry questions.

- jamiebookeater

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

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- anonymous

Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M′N′O′P′Q′. The coordinates of point M are (2, 4), and the coordinates of point N are (3, 5).
What is the slope of M′N'?

- Baseballguy101

do you now how to find slope?

- anonymous

No, I do not.

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## More answers

- Baseballguy101

ok so you would use the formula y2-y1 over x2-x1. do you see how to plug that in?

- anonymous

Isn't that how you find distance between two points, not slope?

- Baseballguy101

no distance formula is different. slope can also be rise over run if you want to graph it

- anonymous

I am.. very confused.

- Baseballguy101

here ill set it up for you

- anonymous

Alright..

- Baseballguy101

so well start with this. you have 2 points M (2,4) and N (3,5). plugging these into the formula you would get 3-2 over 5-4

- Baseballguy101

can you get it from there? It's just simplifying from here

- anonymous

I really don't understand. This subject is my absolute worst.

- Baseballguy101

haha it takes time to understand geometry is a killer. I'll graph it for you one second

- anonymous

Thank you. c:

- Baseballguy101

almost done sorry its taking so long

- anonymous

It's quite alright!

- Baseballguy101

##### 1 Attachment

- anonymous

pretty sure it going to small than the original

- anonymous

So the answer is one? I'm very confused. I am not at all good at this stuff.

- Baseballguy101

yes, is it multiple choice? it may show as 1 over 1

- anonymous

is there any answer choices?

- anonymous

Nope. :(
It's one of those fill in the blank things.

- anonymous

Do I just put the answer as 1 and move on to the next question?

- anonymous

sorry i dont know this

- anonymous

very well

- Baseballguy101

ok if you graph it it makes these twice as easy. You just look at hte two points and look how far up or down the y axis goes that is your rise. to find the run look how far the x axis goes left or right. after finding that you just simplify the fraction giving you the slope

- Baseballguy101

yes it would be 1

- anonymous

That makes some sense.

- Baseballguy101

ok good!

- anonymous

Are you okay with helping me on a few more?

- Baseballguy101

sure

- anonymous

Polygon XYZW is dilated by a scale factor of 2 with point T as the center of dilation, resulting in the image X′Y′Z′W′. If point T lies on YZ¯¯¯¯¯, what can be said about Y'Z'¯¯¯¯¯¯¯ ?
A) Y'Z'¯¯¯¯¯¯¯ passes through point T but has a different slope than YZ¯¯¯¯¯.
B) Y'Z'¯¯¯¯¯¯¯ passes through point T and has the same slope as YZ¯¯¯¯¯ .
C) Y'Z'¯¯¯¯¯¯¯ does not pass through point T but has the same slope as YZ¯¯¯¯¯.
D) Y'Z'¯¯¯¯¯¯¯ does not pass through point T and has a different slope than YZ¯¯¯¯¯.

- anonymous

I think it's A, but I am not sure.

- Baseballguy101

hmm the slope wouldnt change so its not a or d

- anonymous

Oh. B then?

- Baseballguy101

it's b because it would still go through point t it will just have a longer line

- anonymous

Ooh, okay, thank you.
The next one I have to take a screenshot of.

- anonymous

Here we go. :)

##### 1 Attachment

- Baseballguy101

you can do this! look at what i said earlier. so start by looking at the points how far down does the y axis go from point c to d?

- anonymous

I.. uh.. uhm.. I.. I'm so confused on what to find.

- anonymous

From C to D I know you go down two and left one but.. ?

- Baseballguy101

here ill draw it our again

- Baseballguy101

wait yeah that all you need! so simplify -2/-1 and what do you get?

- Baseballguy101

i didn't see you replied

- anonymous

I have no clue.. it's -3?

- Baseballguy101

you just divide -2 by -1 lol

- anonymous

divide? really?

- Baseballguy101

yeah! once you do it a few times it comes easy

- anonymous

Positive 2?

- Baseballguy101

yes so you're answer would be 2

- Baseballguy101

do you understand how to find slope now?

- anonymous

Sorta.

- Baseballguy101

what are you confused on?

- anonymous

I mean, I'm kinda stubborn on learning things and I forget equations easy.

- anonymous

Rectangle ABCD is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image A′B′C′D′. If the slope of AB¯¯¯¯¯ is -2, what is the slope of A'B'¯¯¯¯¯¯ ?
A) -4
B)-1
C) -2
D) 0

- Baseballguy101

when you change the scale factor of a shape the slope wont change so the slope remains -2

- anonymous

Hmm.. okay, thank you.

- Baseballguy101

no problem, glad to help!

- anonymous

Yay, I passed!

- Baseballguy101

good job you didn't get any of these wrong right?

- anonymous

You got them all right. I shall show proof, one moment.

- anonymous

##### 1 Attachment

- Baseballguy101

looks good

- anonymous

Wanna help me with one I've been stuck on forever? Lol. I can open a new topic and give you more medals that way?

- Baseballguy101

medals don't matter to me lol but sure

- anonymous

They make you more trust worthy. :)
Will close this and open a new topic.

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