Question

Which graph represents the solution set of this inequality?

12b - 15 > 21

Answer 1

It will be an open circle going pass the 3 like this

o---------------------------------------------------------------->

Explanation:

12b - 15 > 21

add 15:

12b - 15 > 21

+ 15 + 15

So now it's:

12b > 36

Now divide by 12:

12b > 36

/12 /12

And now your answer is:

b > 3

Answer 2

An open circle line going passed and from 3 that way --->

Explanation:

Add 15 to both sides

12b > 36

Divide 12 to both sides

b > 3