A triangle has corners at $(2, 1)$ $(2, 1 )$ , ( -4 , 3) $, and$ $, and$ ( 8 , 5 )#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

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A triangle has corners at $(2, 1)$ $(2, 1 )$ , ( -4 , 3) $, and$ $, and$ ( 8 , 5 )#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

1 Answer

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Answer 1 · 2018-07-29T08:22:31

$(2, - 1), (- 4, - 3) and (8, - 5)$ $(2,-1),(-4,-3)" and "(8,-5)$

Explanation:

$Under a reflection in the x-axis$ $"Under a reflection in the x-axis"$

$∙ a point (x, y) \to (x, - y)$ $• " a point "(x,y)to(x,-y)$

$(2, 1) \to (2, - 1)$ $(2,1)to(2,-1)$

$(- 4, 3) \to (- 4, - 3)$ $(-4,3)to(-4,-3)$

$(8, 5) \to (8, - 5)$ $(8,5)to(8,-5)$

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A triangle has corners at $(2, 1)$ $(2, 1 )$ , ( -4 , 3) $, and$ $, and$ ( 8 , 5 )#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

1 Answer

Explanation:

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A triangle has corners at (2,1)(2, 1 ), ( -4 , 3),and, and ( 8 , 5 )#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

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A triangle has corners at $(2, 1)$ $(2, 1 )$ , ( -4 , 3) $, and$ $, and$ ( 8 , 5 )#. What will the new coordinates of the triangle be if it is reflected across the x-axis?