The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the x-axis.
P'(–4, –1), Q'(–2, 8), R' (8, 1)
P'(4, –1), Q'(2, 8), R'(–8, 1)
P'(4, 1), Q'(2, 8), R'(–8, –1)
P'(–4, 1), Q'(–2, –8), R'(8, –1)
Thank You! :) your help is much appreciated
reflecting across the x-axis just reverses the sign of the y-coordinate:
(x,y) --> (x,-y)
so, P(-4,1) --> P'(-4,-1)
that eliminates two of the choices. Can you take it from here?
Thank you! Yes that helps! :D
count to find the value of the colection of coins
i don get it
To find the image of a triangle reflected across the x-axis, we need to flip the y-coordinates of each vertex.
Given the vertices of the original triangle are:
P(–4, 1), Q(–2, –8), and R(8, –1)
To reflect each vertex across the x-axis, we simply change the sign of their y-coordinates.
The reflected vertices will be:
P'(–4, -1), Q'(–2, 8), R'(8, 1)
Therefore, the correct answer is:
P'(–4, -1), Q'(–2, 8), R'(8, 1)