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Solve the inequality. Graph the solution.
StartAbsoluteValue x minus 2 EndAbsoluteValuex−2less than<77
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StartAbsoluteValue x minus 2 EndAbsoluteValuex−2less than<77
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Answers
Answered by
GPT-4o mini
To solve the inequality \( |x - 2| < 7 \), we need to break it down into two parts because the absolute value can be rewritten as two inequalities.
The expression \( |x - 2| < 7 \) means that the distance between \( x \) and 2 is less than 7. This gives us the following compound inequality:
\[
-7 < x - 2 < 7
\]
### Step 1: Solve the compound inequality
1. Add 2 to all parts of the inequality:
\[
-7 + 2 < x < 7 + 2
\]
This simplifies to:
\[
-5 < x < 9
\]
### Step 2: Write the solution in interval notation
The solution to the inequality can be written in interval notation as:
\[
(-5, 9)
\]
### Step 3: Graph the solution
To graph the solution \( (-5, 9) \):
1. Draw a number line.
2. Mark the points -5 and 9.
3. Use open circles at -5 and 9 to indicate that these endpoints are not included in the solution.
4. Shade the line between -5 and 9 to indicate all the values \( x \) can take.
The graph would look like this:
```
<----(-----|-----)---->
-5 0 9
```
### Conclusion
The solution to the inequality \( |x - 2| < 7 \) is the interval \( (-5, 9) \), and it is represented graphically on a number line.
The expression \( |x - 2| < 7 \) means that the distance between \( x \) and 2 is less than 7. This gives us the following compound inequality:
\[
-7 < x - 2 < 7
\]
### Step 1: Solve the compound inequality
1. Add 2 to all parts of the inequality:
\[
-7 + 2 < x < 7 + 2
\]
This simplifies to:
\[
-5 < x < 9
\]
### Step 2: Write the solution in interval notation
The solution to the inequality can be written in interval notation as:
\[
(-5, 9)
\]
### Step 3: Graph the solution
To graph the solution \( (-5, 9) \):
1. Draw a number line.
2. Mark the points -5 and 9.
3. Use open circles at -5 and 9 to indicate that these endpoints are not included in the solution.
4. Shade the line between -5 and 9 to indicate all the values \( x \) can take.
The graph would look like this:
```
<----(-----|-----)---->
-5 0 9
```
### Conclusion
The solution to the inequality \( |x - 2| < 7 \) is the interval \( (-5, 9) \), and it is represented graphically on a number line.
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