# How do you write the interval (1, 2) as an

How do you write the interval (1, 2) as an inequality involving x and show each inequality using the real number line?
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Step 1
When writing intervals as inequalities we need to remember that parentheses, like, $\left(a,b\right)$ are equivalent to strict inequalities, so $\left(a,b\right)\to a Brackets, like $\left[a,b\right]$ are equivalent to inclusive inequalities, so $\left[a,b\right]\to a\le x\le b$
On a number line put 1 and 2.
Put open circles at 1 and at 2.
Shade the region of between the circles.
(Not sure how to conveniently show that on here.)