oliviawest17 oliviawest17

20-01-2021
Mathematics

contestada

Which vectors represent the reflection of the vector across the x-axis?

Which vectors represent the reflection of the vector across the xaxis class=

Respuesta :

PersonOnTheInternet4 PersonOnTheInternet4

28-01-2021

Answer:

<3, 7> and [3 7], b and c

Step-by-step explanation:

multiply the vector by the matrix {1 0} (top row) {0 -1} bottom row. So you flip the sign of the -7 and this gives us +7.

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