The y-coordinate of the vertex is 7.5.
It is given that in graph line cuts 2 points in x-axis and 1 point in Y-axis.
What is called co ordinate?
Coordinates are distances or angles, represented by numbers, that uniquely identify points on surfaces of two dimensions (2D) or in space of three dimensions ( 3D ).
The line cut in between 7 and 8 of the co-ordinate axis so it is 7.5.
Therefore, the y-coordinate of the vertex is 7.5.
Learn more about the co-ordinates axis here :
https://brainly.com/question/23228833
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