C3 Chapter 4

Descripción

A Levels (Core 3) Maths Test sobre C3 Chapter 4, creado por Shanie Dickens el 31/08/2014.
Shanie Dickens
Test por Shanie Dickens, actualizado hace más de 1 año
Shanie Dickens
Creado por Shanie Dickens hace más de 10 años
25
2

Resumen del Recurso

Pregunta 1

Pregunta
An interval must contain a root of the equation f(x)=0 if...
Respuesta
  • 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.

Pregunta 2

Pregunta
To solve an equation of the form f(x)=0 by an iterative method...
Respuesta
  • 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

Pregunta 3

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