You first write the equation of course. you equal it to zero. then subtract 12 on both sides. you find what they have in common then you take it out and try and find the third number that you are able to factor. then multiply on the other side by the number you can take out from the two numbers to make it smaller. that will be your parent function equation that's at the top right corner. then you use (h,k) to find the vertex. for the y-intercept you plug in for x to the original equation and you find the y-intercept.to find the x-axis you look at all the points you put and draw a line to the middle of it and that would be the x-axis.
Then you put the parent function equation and you divide it after that you square root it to delete the squared and whatever is left should be your x-intercept and if you have an i then you are going to have an imaginary number number which is pretty much nothing so you will have to have 3 points in your graph not 5 that's only if you have an imaginary number but in this cause i don't.
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