Topic explanation

Standard explanation

Repeatedly halve a sign-changing interval and keep the half that still changes sign.

Key points

• Bisection method
• rule
• worked example
• Bisection method: Repeatedly halve a sign-changing interval and keep the half that still changes sign.
• CONCEPT AND RULE: Repeatedly halve a sign-changing interval and keep the half that still changes sign.
• METHOD: For bisection method, identify the given information and required result. Select the matching defini
• Repeatedly halve a sign-changing interval and keep the half that still changes sign.
• Worked pattern: For x^2-2 on [1,2], first midpoint is 1.5 and new bracket is [1,1.5].

Labelled diagram