1. ## transformations and graphs

hello
graphs of form y= x² +k
state the coordinates of vertex of each function :
a) y=x² and y= x²+2
b) y=x² and y= x² -2
c) y=x² and y= x² +4
d) y=x² and y= x²-4

another question
what transformation is needed to graph y=(x-h)² from y=x²
what transformaton is needed to graph y =(x-h)² +k

its urgent

2. To learn about function transformations and how they work, try some online lessons.

3. I can answer this only =) lol
what transformation is needed to graph y=(x-h)² from y=x²
to graph that,
substitute x with x-h
so that $y=(x)^2 \implies y=(x-h)^2$

then move the graph h units to the right in the direction of positive x-axis

Hope it helps