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Unformatted text preview: d a constant. If this is true then the square root property
is probably the easiest method for use.
2. Does it factor? If so, that is probably the way to go. Note that you shouldn’t spend a lot
of time trying to determine if the quadratic equation factors. Look at the equation and if
you can quickly determine that it factors then go with that. If you can’t quickly
determine that it factors then don’t worry about it.
3. If you’ve reached this point then you’ve determined that the equation is not in the correct
for the square root property and that it doesn’t factor (or that you can’t quickly see that it
factors). So, at this point you’re only real option is the quadratic formula.
Once you’ve solve enough quadratic equations the above set of guidelines will become almost
second nature to you and you will find yourself going through them almost without thinking.
Notice as well that nowhere in the set of guidelines was completing the square mentioned. The
reason for this is simply that it’s a long method that is prone to mist...
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This note was uploaded on 06/06/2012 for the course ICT 4 taught by Professor Mrvinh during the Spring '12 term at Hanoi University of Technology.
- Spring '12