benjiluvr210 benjiluvr210
  • 23-10-2014
  • Mathematics
Answered

what are the real zeros for the function
f(x)=x^2-3x-28

Answer :

Rafid Rafid
  • 23-10-2014
Factor the equation: (x-7)(x+4) Solve for X: X-7=0 x+4=0 X=7 x=-4 A zero is when the function crosses the x-axis which is solved by setting the function equal to zero.
Answer Link
konrad509
konrad509 konrad509
  • 23-10-2014
[tex]x^2-3x-28=0\\ x^2-7x+4x-28=0\\ x(x-7)+4(x-7)=0\\ (x+4)(x-7)=0\\ x=-4 \vee x=7[/tex]
Answer Link

Other Questions

43w 36 what is w how do I check
please help me with 15 and 16
Which religion has a cultural landmark the dome of the rock
Which of the following factors contributed to American consumer spending during the 1920s soldiers coming home from war wanted to celebrate their homecoming by
60 candy bars and 110 drinks will sell for 265 120 candy bars and 90 drinks will sell for 270 How much does each candy bar sell for
Write a situation that can be represented by the algebraic expression 350t
what did the great council of the magna carter later evolve into AThe english parliament BThe council of the elect CThe house of burgesses Dthe US congress
Which is the closest approximation to the area of the circle Use 314 or 227 to approximate π
describe bedes attitude towards Caesars attempted invasions of Britain
Animals in the higher trophic levels generally share two characteristics They are typically