melissataulbee melissataulbee

04-02-2021
Mathematics

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Which ordered pair is a reflection of (3,7) across the x-axis?
O (-3,-7)
O (-3,7)
O (7-3)
O (3,-7)

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CoolCookie2728 CoolCookie2728

04-02-2021

Answer:

(3,-7)

Step-by-step explanation:

Using the algebraic rule for Rx-axis

(x,y)---->(x,-y)

(3,7)--->(3,-7)

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