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point H(9, 1) is reflected across the x-axis. Which statements about H’ is true?

select each correct answer.

a. the x-coordinate is -9
b. the x-coordinate is 9.
c. the y-coordinate is 1.
d. the y-coordinate is -1.

Sagot :

Answer:

b and d

Step-by-step explanation:

Under a reflection in the x - axis

a point (x, y ) → (x, - y ) , then

H (9, 1 ) → H' (9, - 1 )

the x- coordinate is 9 → b

the y- coordinate is - 1 → d

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