brooklynrichardson95 brooklynrichardson95
  • 03-11-2020
  • SAT
contestada

if 3 is a root of the function f(x)=x^2+13x+c and c is a constant, what is the value of c?

Respuesta :

Lee20i Lee20i
  • 03-11-2020

Answer:

C would be -45

Explanation:

3 is the root basically means if you solve for x, x would equal to 3. So to find c you just have to replace x by 3.

F(3)=3^2+13(3)+c

Now you just have to solve for c

Answer Link

Otras preguntas

A system of equations is graphed on the coordinate plane. y=−x+5 y=2x−1 What is the solution to the system of equations? PLEASE SHOW WORK AND EXPLAIN WILL GIVE
What were the noblemen tools of trade?
A persuasive essay attempts to change, or persuade, a reader's point of view on a topic. 1) Write a persuasive essay on the following prompt: Public schools
What is the oppersite of obvious
43. Cost of Natural Gas In April 2009, Peoples Energy had the following rate schedule for natural gas usage in single- family residences: Monthly service charg
Find a trivial lower-bound class for each of the following problems and indicate, if you can, whether this bound is tight. a. finding the largest element in an
Identify the subject take the elevator to the third floor and walk to room 104
Find y when x equals 10 if y equals eight what x equals 20
I need someone to answer these questions ASAP!!
Why did roman leaders treat early christians harshly?