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Question description

DQ 4.1 -

How many solutions can a quadratic equation have?  How can you find them?

DQ 4.2 -

What is the quadratic formula? What is the difference between the quadratic formula and a quadratic equation?  Provide a useful example or two.

DQ 4.3 -

What is the graph of a quadratic called?  At how many points can the graph of a quadratic cross the x-axis?  The y-axis?  What do we call the bottom or top of the graph of a quadratic?

DQ 4.4 -

The quadratic equation x² = 0 is, in some sense, the most fundamental

a) Can this equation be solved by
factoring?
b) Using the quadratic formula on this, what is the discriminant
and what are the solutions?
c) Describe the graph of y = x².
d) How does this graph
relate to solving the quadratic equation x² = 0?

(Top Tutor) Daniel C.
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