C3 Chapter 4

Description

A Levels Maths (Core 3) Quiz on C3 Chapter 4, created by Shanie Dickens on 31/08/2014.
Shanie Dickens
Quiz by Shanie Dickens, updated more than 1 year ago
Shanie Dickens
Created by Shanie Dickens over 9 years ago
25
2

Resource summary

Question 1

Question
An interval must contain a root of the equation f(x)=0 if...
Answer
  • there is a sign change.
  • the two bounds of the interval are 0.
  • the difference between the bounds is 1.
  • the signs are the same.

Question 2

Question
To solve an equation of the form f(x)=0 by an iterative method...
Answer
  • rearrange f(x)=0 into a form x=g(x).
  • do the inverse of the function.
  • rearrange f(x)=0 into a form x=f^-1(x).
  • rearrange f(x)=0 into a form g(x)=f(x)^-1

Question 3

Question
Different rearrangements of the equation f(x)=0 will always lead to the same root.
Answer
  • True
  • False
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