Pelamela

Organization and hierarchy activity

1. In session, answer the following questions:

1. How is defined absolute value of number n, it means, how is defined?                                                                                       [pic 1]

1. What is the equivalent of the expression  ?[pic 2]

For example  ____________________________________________[pic 3]

1. What is the equivalent of the expression  ?[pic 4]

For example  ____________________________________________[pic 5]

1. What type of quadratic equations you can solve by the conclusion of the expression above? Give two examples.

1. Perfect square trinomial equations, they can be solved by applying the absolute value? Describe two examples.

1. Any quadratic expression, it can be expressed as square of binomial? What is the technique to do this? Describe two examples.

1. What is the general equation for obtaining solutions for a quadratic equation in one variable?

1. What is the discriminant? How is obtained its value? Why it is called discriminant?

1. How can you know if a quadratic equation can be solved by factoring using the value of discriminant?

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