How do you graph this polynomial? y=x^3-2x^2-3x (and if possible, w/o using a table)

Question

luigi0210 · Answer

You could make a table

campbell_st · Answer

try some calculus.... 1st derivative... find the stationary pts.. 
                               2nd derivative    test the stationary points.. 
                                                        find points of inflection.
 
find the intercepts  both x and y... 

plot the points... sketch the curve

azureflame241 · Answer

thanks, but i havent taken any calc yet...so ill just make a table...

campbell_st · Answer

yep.... that is the only way...

luigi0210 · Answer

It would help if you factor out an x first

luigi0210 · Answer

Actaully there is another way to graph it without using a table or calculus,

azureflame241 · Answer

i managed to factor it to x(x-3)(x+1)

luigi0210 · Answer

Get the y-intercepts

campbell_st · Answer

if you graphed x values from -4 to 4 you'll get a good look at the key features of the curve