?how can we graph the quadratic equation
when we want to graph a quadratic equation , we have to find A,B,and C ,we can found it from the
equation. the number that in front of x to the power 2 represent A, and the number in front of x , represent B and the number with out variable represent C ,then we found the line of symmetry using the law -B divided by 2 times A ,after that we make a ashed line on the x-y graph .after that we have to make the table , you will found that each two value is equal . then sketch the point after that draw it on the graph 
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