Foundation November 2023 Paper 1 Q16

AQACurrent spec2 marksTransformations of Shapes

16 Here is a triangle on a grid.

Grid with x from 0 to 11 and y from 0 to 7. Triangle with vertices (2, 3), (5, 3) and (5, 7)

The triangle is reflected in a vertical line.

Two of the vertices of the reflected triangle are at (7, 3) and (7, 7)

(a) What are the coordinates of the other vertex of the reflected triangle? [1 mark]
(b) What is the equation of the line of reflection? [1 mark]