Revision (Grade 11 NSC Matric Mathematics): Quizzes

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What defines a linear sequence?

Consecutive terms have constant difference

How should common difference dd be calculated?

d=T2−T1d = T_2 - T_1

What does TnT_n represent in sequence notation?

The general term or nthn^{th} term

What are consecutive terms in a sequence?

Terms that come directly one after another

What is the general form of a linear sequence formula?

Tn=a+(n−1)dT_n = a + (n-1)d

How do linear sequences appear when graphed?

As straight lines

What is a conjecture in mathematics?

Educated guess not formally proved

For sequence 10, 7, 4, 1, what is dd?

−3-3

What type of numbers must position numbers nn be?

Positive integers only

What happens when common difference is negative?

The sequence decreases

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