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Mathematics 19 Online
Yoda:

Helps me

Yoda:

On a coordinate grid, both point (1, 2) and point (−3, −3) are reflected across the y-axis. What are the coordinates of the reflected points?

CripQUEZZ:

Ok with all the info here what do you know?

Yoda:

The points are 1,2 and -3 -3

Kylo:

A (-1,2) and (3,-3) : )

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Yoda The points are 1,2 and -3 -3 \(\color{#0cbb34}{\text{End of Quote}}\) That’s all? Do you have a graph that shows it?

Yoda:

no

CripQUEZZ:

Ok

CripQUEZZ:

Do you have any notes that explain how to do it or is then new to you?

Yoda:

no

Yoda:

it is new to me

CripQUEZZ:

Ok

KjSaif:

Reflecting by the y-axis makes the "x" in x,y the opposite. If it was -3 it would now be 3.

CripQUEZZ:

Ok so reflect the the (1,2) across the y axis

CripQUEZZ:

Which way is the y axis? Do you know?

Kylo:

A (-1,2) and (3,-3

Kylo:

)

Yoda:

No there is no Graph

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Kylo A (-1,2) and (3,-3 \(\color{#0cbb34}{\text{End of Quote}}\) Stop giving direct answers

Kylo:

stop not being helpful

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Kylo stop not being helpful \(\color{#0cbb34}{\text{End of Quote}}\) I’m being helpful I’m walking them through it

Kylo:

not really

Kylo:

but okay not going to argue

Yoda:

http://rules.com/

CripQUEZZ:

Ok so the y axis is the straight line going up and down and there’s four quadrants

Kylo:

here is me walking through it When we reflect the figure across the y-axis then the rule of the transformation is given by: (x,y) → (-x,y) i.e. each point on the figure is transformed as the x-coordinate of the point takes the opposite sign and the y-coordinate remains the same. Hence, (1,2) → (-1,2) and (-3,-3) → (-(-3),-3) i.e. (-3,-3) → (3,-3)

CripQUEZZ:

The first quadrant is what (1,2) is in, so reflecting over that axis what would you think the coordinates would be?

KjSaif:

KjSaif:

graph at first ^

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Kylo here is me walking through it When we reflect the figure across the y-axis then the rule of the transformation is given by: (x,y) → (-x,y) i.e. each point on the figure is transformed as the x-coordinate of the point takes the opposite sign and the y-coordinate remains the same. Hence, (1,2) → (-1,2) and (-3,-3) → (-(-3),-3) i.e. (-3,-3) → (3,-3) \(\color{#0cbb34}{\text{End of Quote}}\) That’s from sum1 else’s answer

Kylo:

just go back to "walking through it " the question is answered if im correct so close the question

CripQUEZZ:

Kyle if you’re gonna help don’t steal other ppls answers but if you do give credit to the website

CripQUEZZ:

Kylo*

CripQUEZZ:

Ok so yoda reflecting over the y axis from the 1st quadrant will change which number?

Yoda:

Oh sry

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @CripQUEZZ Ok so yoda reflecting over the y axis from the 1st quadrant will change which number? \(\color{#0cbb34}{\text{End of Quote}}\) The numbers will stay the same but will become a negative

Yoda:

Oh

CripQUEZZ:

So if you reflect (1,2) over the y axis what do you think you will get?

Yoda:

(−1, 2)

Yoda:

?

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Yoda (−1, 2) \(\color{#0cbb34}{\text{End of Quote}}\) Correct now with (-3,-3) try that one

Yoda:

(3, −3)

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Yoda (3, −3) \(\color{#0cbb34}{\text{End of Quote}}\) Correct so that will be your answer

CripQUEZZ:

(-1,2) and (3,-3) good job

Yoda:

gtg BYE THX

CripQUEZZ:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Yoda gtg BYE THX \(\color{#0cbb34}{\text{End of Quote}}\) Np have a good one

KjSaif:

before

KjSaif:

after

Yoda:

Thank you, Young Ones. MMMHMHM

KjSaif:

lol np

Yoda:

hehe

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