GCSE Maths: how to read a quadratic graph: Finding the equation given the graph

We know a quadratic graph passes through the values 2 and 4 on the x-axis. Use these values to find the equation of the graph

[supereasy]

Thank you much, I've seen many videos but this helped a lot

[blockPawn]

Kids in my class were doing this in their heads snd just saying the answer. I felt so lost. Thank you

[Facts_ninja]

Thank u so much, I was watching 100 videos and I was looking for this type of question until I found this video it helps a tons and it clear my doubt ❤❤

[zendykun]

Great explanation, what if they gave height to which the curve touches a value on y axis? Would the equation change?

[khianpopat]

My teacher made this look 100× more complicated than it is🤦‍♂️

[EpiKlipz]

Video -> 11 years ago , meanwhile us .... watching this in 2024 💀🙃