The graph is a parabola facing (opening) upwards with the vertex at the origin.
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the graph is moved down 6 units
Y=X^2 is a function for it forms a parabola on a graph.
Assuming you meant y=x2 & y=x2-4 They are both straight-line graphs, however - they produce different results. Using the values of 1,2,3,4 & 5 for x (as an example)... In the first equation, the value of y would be 1,4,8,16 & 25 In the second equation, y would be -3,0,4,12 & 21
One. It is a double root.
That's true at the point (0.5, 0.25) where the slope of the graph is ' 1 ' .