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quadratic formula
summary
the quadratic formula is a critical tool for solving quadratic equations that cannot be factored or easily solved by completing the square, especially in the context of the sat exam.
- the quadratic formula is applicable for equations that cannot be factored and do not fit neatly into algebraic patterns.
- it is essential to convert the quadratic equation into standard form before applying the quadratic formula.
- the discriminant (b squared minus 4ac) under the radical sign in the formula determines the nature of the roots (real or imaginary).
- the sat will provide the quadratic formula, so memorization is not necessary.
- completing the square is an alternative method that can sometimes offer a quicker solution.
chapters
00:00
introduction to the quadratic formula
00:53
applying the quadratic formula
03:40
practical examples
07:25
summary and sat strategy
