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Big Ideas Math Integrated I, 2016 View details

2. Solving Inequalities Using Addition or Subtraction

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Exercise 27 Page 65

How do you graph an inequality on a number line?

Error: The graph is going in the wrong direction.
Graph:

Practice makes perfect

Consider the given solution to the inequality. -17 <& x-14 -17 +14 <& x-14+14 -3 <& x We can see that the inequality is solved correctly. It tells us that -3 is less than all numbers that satisfy the inequality. Let's now take a look at the graph.

This graph, instead, shows that -3 is greater than the numbers satisfying the inequality. To correct the mistake, we should shade to the right of -3.