lazojose551 lazojose551
  • 17-03-2021
  • Mathematics
contestada

Which set represents the zeros of the function f(x) = 7x2 – 28x + 21?

Respuesta :

jelenajelena
jelenajelena jelenajelena
  • 17-03-2021

Answer:

change f(x) to 0 than 7*2x=14x

0=14x-28x+21

0=-14x+21

-21=-14x

x=3/2

Answer Link

Otras preguntas

1. What is Modals verb?2. How Modals verb help us​
help me please i don’t get it
How did automobile manufacturing affect the city of Detroit?
Solve the inequality 3(x-2) + 12x + 2(x+2). O A. x≤4 Co B. x2-5 C. no solution OD. all real numbers
8 grade, help please!!!
1. The price for an adult movie is 4/3 more than a movie ticket for a child. Ines takes her daughter to the movie, buys a box of popcorn for $5.50, and spends
Charlie will run at most 30 miles this week. So far, he has run 12 miles. What are the possible numbers of additional miles he will run? Use t for the number of
Scientific Question: Does the habitat where a spider lives affect their exposure level to chemicals?​
Can anyone help me with this chemistry project
Help needed! please help math