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Home > MC1 > Chapter 6 > Lesson 6.3.3 > Problem 6-148

6-148.

Could you write an expression to find the number of dots in a figure?

Look at Figure 2 to the right where 4 groups of 2 dots are circled, and there is one dot left over. An expression representing the number of dots in this figure would be 1 + 4x, where x is the figure number. Use this to help you draw the next figures.