How do you solve and graph - 8 r &lt; 16 ?

Question

How do you solve and graph       -    8    r    &amp;lt;    16   ?

Pedro Hurley · Accepted Answer

Step 1      -    8    r                  &amp;lt;              16  We will need to make the r term positive.If you multiply or divide an inequality by a negative number, the inequality sign in the middle changes around.                    -        8                    -        8              r                  &amp;gt;                    16              -        8                  r    &amp;gt;    -    2  On a number line graph this will be shown as an open circle on -2 (because -2 is NOT included in the solution) and a line drawn to the right.On the Cartesian Plane, a dotted vertical line is drawn at   x  =  −  2 and the wanted area to the RIGHT of the line is shaded.

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