Algebra, NAPX-I3-CA03 (1.25 min)

Question

Heather is making a pattern with coloured tiles and white tiles, as shown below.

If the pattern continues, how many coloured tiles will there be in Design 9?

Worked Solution

Each design adds 4 coloured tiles.
∴ Coloured tiles in design 9 = 9×49 \times 4
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

518

Question

Heather is making a pattern with coloured tiles and white tiles, as shown below.

If the pattern continues, how many coloured tiles will there be in Design 9?

Worked Solution

Each design adds 4 coloured tiles.
∴ Coloured tiles in design 9 = 9×49 \times 4
= 36

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
36

Answers

Is Correct?Answer
x

4

x

18

✓

36

x

108

Tags