[login]

• Home
• News
• Calendar
• Key stage 3
• Key stage 4
• Key stage 5
• Practice
  • Additional
  • Core 1
  • Core 2
• Games
• My page

Remainder and factor theorems

Last attempts:

Let $f(x)=x^{3} + ax^{2} + 6x + b$. Given that

• $x + 3$ is a factor of $f(x)$,
• When dividing $f(x)$ by $x + 2$, the remainder is $-65$.

What is the value of $a$ and $b$?

answer

Click here to try another question like this.