ACT Math : How to graph an equation with a number line

Study concepts, example questions & explanations for ACT Math

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Example Questions

Example Question #1 : How To Graph An Equation With A Number Line

How many integers are there between  and  (not including  or )?

Possible Answers:

Correct answer:


Since we are not including  or  in the count, the number of integers is given by the equation:


If negative numbers are difficult for you to understand you can think of it this way. Since both values are negative and we are looking for the amount of integers between them we can solve the problem by subtracting 2 from 17 and then another one since we don't want to include the endpoints.

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