riyama43 riyama43
  • 18-07-2017
  • Mathematics
contestada

Find the zeros of the function.

f(x) = 9x3 - 72x2 + 135x

Respuesta :

jorel1380
jorel1380 jorel1380
  • 18-07-2017
9x³-72x²+135x=0
9x(x²-8x+15)=0
9x(x-5)(x-3)=0
x=0 or 5 or 3
☺☺☺☺
Answer Link
theduck
theduck theduck
  • 18-07-2017
9x3=27; 72x2=144 so the right side condenses to 135x-117
f (x)=135x-117
so this function crosses the y axis at -117 and the x axis at .866666666 repeating.
Answer Link

Otras preguntas

A Umayyad woman would most likely _______. A.) be able to open her own business. B.) put on a veil before going outside. C.) never be allowed to own property.
Help Plz. FAST! 12 ounces for $5.30. Explain how you got your answer
What type of conflict does Della face in "The Gift of the Magi"? Character vs Society Character vs Machine Character vs character Character vs Nature
Was the trojan war real?
what is the percent decreased from 145 pounds 132 pounds
I'm honestly stumped on how to calculate these problems. Please help me. 1. Christina will be retiring next month from her job after 35 years as a school bus
Which of these do the fonts Wingdings and Dingbats display? A.) mathematical equations B.) symbols C.) Greek letters D.) meteorological information
How did people migrate from Siberia to Alaska ?
How can you use unit rates in multiplication to solve for missing measures and equivalent ratio problems?
Which two excerpts use the third-person limited point of view?