freddiemarchant
freddiemarchant freddiemarchant
  • 02-07-2020
  • Mathematics
contestada

PLEASE SOMEONE BE A LEGEND AND ANSWER THIS QUESTION ASAP!!!!!!!

PLEASE SOMEONE BE A LEGEND AND ANSWER THIS QUESTION ASAP class=

Respuesta :

Plus16463574585
Plus16463574585 Plus16463574585
  • 02-07-2020

Answer:

[tex]a=2[/tex]

Step-by-step explanation:

[tex]f\left(x\right)=x^3+2x^2-7x+a\\\\x-2=0\quad\rightarrow \quad x=2\\\\f(2)=2^3+2\cdot \:2^2-7\cdot \:2+a\\\\4=2^3+2\cdot 2^2-7\cdot 2+a\\\\\Rightarrow a=2[/tex]

Best Regards!

Answer Link

Otras preguntas

What is one thing Benjamin Franklin is famous for?
Compared to the charge of a proton, the charge of all electron has (1) a greater magnitude and the same sign (2) a greater magnitude and the opposite sign (3)
One beneficial use of radioisotopes is (1) detection of disease (2) neutralization of an acid spill (3) decreasing the dissolved O2(g) level in seawater (4) inc
Before he was President, Eisenhower was a general. What war was he in?
Log (10-4x) = log (10-3x)
What did the Declaration of Independence do?
When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is (1) decreased by a factor of 2. (2) incr
What is the name of the Vice President of the United States now?
Which term represents a type of nuclear reaction? (1) condensation (2) vaporization (3) single replacement (4) natural transmutation
Find the value of 15.0 Newton in pounds