Question

ARE MY ANSWERS CORRECT? Please help me with this graph. and how do I shrink the small components after the D?

https://media.glynlyon.com/g_geo_2012/10/q1_7l5.gif

On the graph above are three points X, Y, and Z. Write the coordinates for the given dilation.

D o,3 of X = ___My answer> 7,3?
D o,-½ of Y = ___My answer> (-3/2, -1)?
D x,2 of X =___My answer> (2, -2)?

Answer 1

@jim_thompson5910

Answer 2

@Data_LG2 @littlenugget @jdoe0001

Answer 3

D o,3 of X means you multiply each coordinate by 3

NOT add 3 to each coordinate

Answer 4

all my answers are wrong then?

Answer 5

not all, one of them is correct

Answer 6

which one did i do right?

Answer 7

last one?

Answer 8

the second one

you multiplied each coordinate by -1/2

Answer 9

Ok hold on. Then would
D o,3 of X = ___(12, 0)
D x,2 of X =___(4, 0)

Answer 10

wait, is the last one really say D x,2

are you sure it's not D o,2 ?

Answer 11

its d x,2

Answer 12

ok so x is the fixed point then

Answer 13

you have the correct answers

Answer 14

thank you. i am really struggling on these questions. I dont know why

Answer 15

yw and you'll get better with more practice

Answer 16

Mind helping me with a 3 more? I already have answers

Answer 17

Just wanna make sure I am atleast getting some right

Answer 18

sure

Answer 19

In the graph, line k with equation y = -k makes a 45° angle with the x- and y- axes.
https://media.glynlyon.com/g_geo_2012/10/protra.gif

R x: (2, 5) =___(-2, -5)?
R k, °R y : (2,5)=___(-5, -2)?
R x, °R k : (2,5) =__(-5, 2)?

Answer 20

hmm I'm not sure I understand the notation R k, °R y

is that a reflection? or a rotation?

it could be a rotation because it has a degree symbol in it, but if so, then what are you rotating around?

Answer 21

R x: (2, 5) =___(-2, -5)?

that's incorrect though

Answer 22

if you reflect (2,5) over the x axis, you won't land on (-2,-5)

Answer 23

Would it be -2,5?

Answer 24

plot it and see for yourself

Answer 25

I got 2,-5

Answer 26

I think I did it on the right quadrant lol

Answer 27

(2,-5) is correct

Answer 28

R x, °R k : (2,5) =__(2, -5) then?

Answer 29

to be honest, I'm not sure what to make of that notation

Answer 30

it could be a mix of reflection and a rotation

Answer 31

R x, °R k could mean "rotate the point 45 degrees around the origin, then reflect over the x axis"

Answer 32

but this notation is very strange and that's not how you would write that, so I'm guessing at this point

Answer 33

I don't know =/

Answer 34

besides, there's no simple rule to rotate 45 degrees

there is one for 90 degree rotations

Answer 35

oh what it could be are two reflections....first you reflect over k, then you reflect over the x axis

Answer 36

if that's the case, then why the degree symbol?

Answer 37

I wish I knew

Answer 38

I don't have a clue of what my answer is

Answer 39

yeah sadly neither do I, there are multiple possibilities

Answer 40

okay =/