A triangle has corners at $(4, 6)$ $(4, 6 )$ , ( 1 , -3) $, and$ $, and$ ( 1 , -4)#. 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 $(4, 6)$ $(4, 6 )$ , ( 1 , -3) $, and$ $, and$ ( 1 , -4)#. 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 · 2016-01-11T20:43:12

(4,-6), (1,3), and (1,4).

Explanation:

When reflected across the x-axis, each of the y-coordinates changes sign. That is, a point (a,b) means it is at x=a and y=b, since the reflection is made across the x-axis, the x-coordinate stays the same. However, y=b means the point is b units away from the x-axis, so with reflection it is again b units away from the x-axis, but on the other side, so the sign changes.

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A triangle has corners at $(4, 6)$ $(4, 6 )$ , ( 1 , -3) $, and$ $, and$ ( 1 , -4)#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

1 Answer

Explanation:

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Impact of this question

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A triangle has corners at (4,6)(4, 6 ), ( 1 , -3),and, and ( 1 , -4)#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

1 Answer

Explanation:

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Impact of this question

A triangle has corners at $(4, 6)$ $(4, 6 )$ , ( 1 , -3) $, and$ $, and$ ( 1 , -4)#. What will the new coordinates of the triangle be if it is reflected across the x-axis?