120222 Polynomial zeros and factors

# 4 identify the degrees of the polynomials from

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4. Identify the degrees of the polynomials from problems 2a , 2b , 3a , and 3b . To do this you will need to think about what the largest exponent would be if you put each polynomial into standard form, but it is not necessary to carry out the distributive calculation. 5. Write a possible formula for each of these polynomial graphs. Be sure to consider not only zeros, but also the degree and the end behavior. Use your calculator to check your answers. a. b. Two more on next page…

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Name Honors Algebra 2 February 22, 2012 7.3 extra problems page 2 5 (continued). Write a possible formula for each of these polynomial graphs. Be sure to consider not only zeros, but also the degree and the end behavior. Use your calculator to check your answers. c. d. 6. a. A quadratic function can have 0, 1, or 2 zeros. Sketch an example graph showing each of these possibilities. b. How many zeros can a cubic (degree 3) function have? Sketch an example graph for each possibility. c. How many zeros can a quartic (degree 4) function have? Sketch an example graph for each possibility.

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