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Mathematics 8 Online
OpenStudy (barrelracing):

Describe the graph of the function f(x) = x3 − 15x2 + 68x − 96. Include the y-intercept, x-intercepts, and the shape of the graph.

OpenStudy (barrelracing):

x- (3,0) y- (0, -96)

Nnesha (nnesha):

highest degree is 3 so thats mean there supposed to be *3* solutions (x-intercept , zeros )

OpenStudy (barrelracing):

well I already found the x and y intercept I just don't know what the graph looks like.

Nnesha (nnesha):

yea so i'm saying there isn't only one x-intercept x-interceptS!

OpenStudy (barrelracing):

oh sorry read it wrong

OpenStudy (anonymous):

This is when a graphing calculator will come in handy

Nnesha (nnesha):

for the direction if highest degree is 3 then if leading coefficient is negative ( right end will fall , and left end will rise ) and if leading coefficient is POSITIVE ( right end rise and left end will fall)

Nnesha (nnesha):

and yes for x-intercepts better to graph that equation otherwise too much work to do!

OpenStudy (barrelracing):

I'm so confused

Nnesha (nnesha):

are you allowed to use a calculator ?

Nnesha (nnesha):

http://www.wolframalpha.com/ graph t

Nnesha (nnesha):

or https://www.desmos.com/

OpenStudy (barrelracing):

yes

OpenStudy (barrelracing):

ok I put in desmos

Nnesha (nnesha):

cool so point where line cross x-axis is x-intercept

OpenStudy (nincompoop):

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