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Rogreathang $\newline$ It Kie $\newline$ $ABCD$ is relected across the $\newline$ x-axis, what are the resulting coordinates of point $\newline$ $A$ ? $\newline$ $A$ $\newline$ $(1,-3)$ $\newline$ $B$ $\newline$ $(-3,1)$ $\newline$ $C$ $\newline$ $(\beta-1)$ $\newline$ $D$ $\newline$ $(3,-1)$ $\newline$ $A$ $0$ $\newline$ $A$ $1$

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Find Coordinate on Unit Circle

Full solution

Q. Rogreathang

\newline

It Kie

\newline

ABCD

is relected across the

\newline

x-axis, what are the resulting coordinates of point

\newline

A

?

\newline

A

\newline

(1,-3)

\newline

B

\newline

(-3,1)

\newline

C

\newline

(\beta-1)

\newline

D

\newline

(3,-1)

\newline

A

0

\newline

A

1

Reflect point $A$ : Reflect point $A$ across the $x$ -axis. To do this, invert the $y$ -coordinate of $A$ while keeping the $x$ -coordinate the same.
Original coordinates of A: Original coordinates of A are $(1, -3)$ . After reflection, the new $y$ -coordinate is $3$ (the opposite of $-3$ ).
New coordinates of point A: The new coordinates of point A after reflection are $(1, 3)$ .

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