Countdown to PSAE Getting to know your calculator…

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Presentation transcript:

Countdown to PSAE Getting to know your calculator…

Ctrl Alt Delete & Other things  How to I reset my calculator if it’s not working?  2 nd  MEM  7  All RAM  Reset  How do I reference my last answer?  2 nd  answer (-)  How do I get my last few equations that I wrote?  2 nd  entry (enter)  I wrote this really long expression but forgot a negative… how do I insert it into the expression?  2 nd  insert (DEL)

Complete the following problems – answers should be in fraction form

Solutions  93/44  -54/55  10/9 or 1 1/9  9/2 or 4 1/2  Questions??? You need to be able to complete these types of problems efficiently

Graphing  Graph the equation and find the zeros

Finding the zeros  What are ways we can find the zeros/roots of a quadratic function?  Factor  Quadratic Equation  Use your graphing calculator

Example  Find the zeros of the equation using any method.

Find the solution to the system  Y= -3x + 12  Y = 14  Put the equations in your calculator  Graph  2 nd  trace  intersection  What is the intersection point?

Other graphing stuffs  Zoom!  6  4  7  0  TRACE  CALC  TABLE

Numbers, Concepts, & Properties  Least common multiple  What is the least common multiple of 17 and 52?  Greatest Common Factor  What is the greatest common factor of 170 and 204?  What is the GCF of 78x 8 and 156x 2 ?

Exponents

Imagine

Absolute value