Some examples from this set of practice questions
1.
What is the quadratic formula?
Answer: x=(-b±√(b^2-4ac))/2a
2.
How many answers should you expect when dealing with a quadratic equation?
Answer: 2
3.
What is the correct form for writing a quadratic equation?
Answer: ax^2 + bx + c = 0
4.
The co-efficient of x is written with what letter?
Answer: b
5.
Write this equation in the form ax^2 + bx + c = 0: 3x + x^2 - 47 = 2x - 5x + 6 - x^2
Answer: 2x^2 + 6x - 53 = 0
6.
The coefficient of x^2 is written with what letter?
Answer: a
7.
Do you need an x term to deal with a quadratic equation? If not, give an example.
Answer: No. Difference of two squares equations (e.g. x^2 - 1) can also be factorised using the quadratic formula.
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