Proof and iteration

Algebraic proof and counterexamples, then finding roots that do not come out exactly: changes of sign and iteration. Higher tier.

Start: Algebraic proofAbout 13 min

Lessons

Algebraic proof
Counterexamples
Roots by a change of sign
Iteration

Practice and tests

Mixed practiceQuestions mixed across your lessons.

Question bank 40 practice questions with worked solutions
Topic test15 questions, 40 minutes, an estimated grade, the same questions on each try

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