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What is the reflection image of U across the y-axis?
Please help the graph is attach

(1, 5)
(1, -5)
(-1, -5)
(-1, 5)

What Is The Reflection Image Of U Across The YaxisPlease Help The Graph Is Attach1 51 51 51 5 class=

Sagot :

Reflection of point U across y-axis = (1, -5)

why . . .

reflection across y-axis means to take the negative of the x-value, and since point U has coordinates (-1, -5), the negative of -1 is 1, then the reflected coordinate must be (1, -5)

Answer:

B. [tex](1,-5)[/tex]

Step-by-step explanation:

We have been coordinates of some points on coordinate plane. We are asked to find the reflection image of U across the y-axis.

We know that after reflecting a point across y-axis, the y-coordinate of point remains same, while x-coordinate changes to its opposite sign.

We can see that coordinates of point U are [tex](-1,-5)[/tex]. After the reflection across y-axis the y-coordinate will remain same that is [tex]-5[/tex], while x-coordinate will be opposite of [tex]-1[/tex] that is [tex]-(-1)=1[/tex]

Therefore, the coordinates of point U after reflection across y-axis would be [tex](1,-5)[/tex] and option B is the correct choice.

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