SBA GRADE 11 NUMBER PATTERNS

GRADE 11 FEBRUARY 2024
MATHEMATICS INVESTIGATION TOTAL: 50


Name: ________________________________________________________________



Quadratic Number patterns
SECTION A: [25]

Consider the following number pattern:

−1; 2; 9; 20; …

Answer the following questions on the paper:

1. Determine the first and second difference of the pattern:

−1; 2; 9; 20; …

First difference: ___ ___ ___

Second difference: ___ ___ (5)

2. What do you notice about the second differences?

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(1)




1