Change of Sign (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does the change of sign method find?
What does the change of sign method find?
Roots of
What must and have in interval to locate a root?
What must and have in interval to locate a root?
Opposite signs
Which methods narrow the interval in change of sign?
Which methods narrow the interval in change of sign?
Decimal search & interval bisection
When does the change of sign method work well?
When does the change of sign method work well?
When function is continuous
When doesn't the change of sign method work well?
When doesn't the change of sign method work well?
When root is repeated
Graphically, when does have a root?
Graphically, when does have a root?
When graph crosses x-axis
For , if and , what does this show?
For , if and , what does this show?
Root between and
What two conditions confirm a root exists in an interval?
What two conditions confirm a root exists in an interval?
Change of sign & continuity
To prove correct to 3dp, which interval must contain the root?
To prove correct to 3dp, which interval must contain the root?
If and with continuity, what does this indicate?
If and with continuity, what does this indicate?
Root lies in