Plotting quadratics (Part 2)

Maths

Tick the equation that, when plotted, would form a quadratic graph.

Complete the tables below and plot the graphs. Select a co-ordinate the graphs have in common.

Which worded description best describes a quadratic graph?

No, Antoni is incorrect it is a quadratic graph.

Yes, Antoni is correct it is not a quadratic graph.

Antoni says this is not a quadratic as it does not go through the x axis. Do you agree?

For the graph below what is the y-ordinate when the x-ordinate is 3?

For the graph below what is the y-ordinate when the x-ordinate is -3?

Which equation could be the equation of the graph below?