Question

Another machine is used to make 10 mm long bolts. For this machine, the bolts must have an error of less than 0.1 mm to be accepted. This can be represented by |x – 10| < 0.1.

Write this inequality as a compound inequality without absolute value bars.

Solve the compound inequality.

Graph the solutions on a number line.

What do the solutions of the inequality mean for the bolt?

Answer 1

The solutions represent the length of the bolts as given in the first sentence.