Question: This pattern is made from rectangles. a Write the sequence of the numbers of rectangles. b Work out an expression for the nth term for

This pattern is made from rectangles.

Pattern 1 Pattern 2 Pattern 3 Pattern 4

a Write the sequence of the numbers of rectangles.

b Work out an expression for the nth term for the sequence.
Draw a table like the one in Question 10 to help you.

c Use your nth term expression to find the number of rectangles in the 20th pattern in the sequence.

Pattern 1 Pattern 2 Pattern 3 Pattern 4

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