Homework Answers: Operations

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Presentation transcript:

Homework Answers: Operations 20 -98 + 114i 4i -7-6i -7+5i -15i -38+69i -216i -5-9i 168+126i 32 15+i 21-16i -24+36i 2+i 4+32i 55-48i 4+i 34+12i -1+4i 32-8i -56-8i 39-18i 5 -48-14i -96+672i

Homework Answers: Rationalizing (-ia)/b -i-8 (28 + 46i)/25

Test Review

Chapter 4 Test Review Long Division Zeros of Polynomials How many possible real zeros? List all of possible real zeros. r/s Which are actual zeros Multiplicity Touch or cross, why? End Behavior of Polynomials # of Local Extrema and Points of Inflection Graphing Rational Functions CHART!!!! Complex Numbers

Long Division Example: Divide by

Synthetic Division Divide by

Polynomial Functions For How many possible real zeros could this polynomial have? List all of the possible real zeros. Of the above listed possible real zeros, which are actual real zeros? Sketch the end behavior and tell why it has that end behavior. x = 1, ½ , 1/3

Polynomial Functions For How many real zeros does this polynomial have? For each zero, does the graph touch or cross there, and why. How many local extrema does this polynomial have? How many points of inflection does this polynomial have?

Rational Functions Graph the following rational function, including all information from chart: