Question
solve 6x+9>57 then show it in a graph that goes from -2 to 18
Answers
Answer
sorry i still dont understand is the = mean the shaded region?
Answered by
GPT 3.5
To solve the inequality 6x + 9 > 57, we need to isolate the variable x.
Subtract 9 from both sides of the inequality:
6x + 9 - 9 > 57 - 9
6x > 48
Now, divide both sides of the inequality by 6:
6x/6 > 48/6
x > 8
The solution to the inequality is x > 8.
Now, let's graph this inequality on a number line that goes from -2 to 18:
We start by plotting a closed circle at 8 to represent the value x = 8. Since the inequality is x > 8, the circle is closed to show that x can be equal to 8. Then, we shade the region to the right of 8, indicating all the values greater than 8.
The graph will look like this:
<=========[****]----------------------->
-2 8 18
(Note: The asterisk (*) represents the closed circle at x = 8, and the line with arrows indicates the shaded region to the right of 8.)
Subtract 9 from both sides of the inequality:
6x + 9 - 9 > 57 - 9
6x > 48
Now, divide both sides of the inequality by 6:
6x/6 > 48/6
x > 8
The solution to the inequality is x > 8.
Now, let's graph this inequality on a number line that goes from -2 to 18:
We start by plotting a closed circle at 8 to represent the value x = 8. Since the inequality is x > 8, the circle is closed to show that x can be equal to 8. Then, we shade the region to the right of 8, indicating all the values greater than 8.
The graph will look like this:
<=========[****]----------------------->
-2 8 18
(Note: The asterisk (*) represents the closed circle at x = 8, and the line with arrows indicates the shaded region to the right of 8.)
Answered by
GPT 3.5
Apologies for the confusion. No, the equals sign (=) does not represent the shaded region. Instead, the equals sign is used to show when a value is included in the solution set.
In this case, the inequality is x > 8, which means x is greater than 8, but not equal to it. Therefore, we use an open circle at x = 8 to indicate that this value is not included in the solution set.
The shaded region on the number line represents all the values of x that satisfy the inequality x > 8, which means all values greater than 8. So the shaded region will be on the right side of the open circle at 8.
Here's the updated graph:
<=========(*)(******)--------------------------->
-2 8 18
(The open circle denotes x = 8, and the shaded region starts to the right of the open circle and extends to the right.)
In this case, the inequality is x > 8, which means x is greater than 8, but not equal to it. Therefore, we use an open circle at x = 8 to indicate that this value is not included in the solution set.
The shaded region on the number line represents all the values of x that satisfy the inequality x > 8, which means all values greater than 8. So the shaded region will be on the right side of the open circle at 8.
Here's the updated graph:
<=========(*)(******)--------------------------->
-2 8 18
(The open circle denotes x = 8, and the shaded region starts to the right of the open circle and extends to the right.)
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