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Unformatted text preview: l quadratic functions will have exactly one y-intercept. PRE-CALCULUS 11 Unit 1 – Day 6: MODELLING PROBLEMS Quadratic functions have many applications and can be used to solve problems. SOLVING PROBLEMS
You must understand the
problem. UNDERSTANDING THE PROBLEM
What is to be determined? What conditions must be satisfied to
solve the problem? What information is given? Are there any
Draw a diagram. Introduce suitable notation. Second
Find the connection between
the given information and
what is to be determined.
You may be obliged to
consider auxiliary problems if
an immediate connection
cannot be found.
You should eventually obtain
a plan to find the solution. DEVISING A PLAN
Have you seen it before? Or have you seen the same problem in a
slightly different form?
Do you know a related problem? Was it solved before? If so, could
you use it? Could you use the result? Could you use its method?
Should you introduce some auxiliary element in order to make its use
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