Question

Plot StartRoot 1. 5 EndRoot and StartRoot 1. 9 EndRoot on the number line to find which inequalities are true. Check all that apply. StartRoot 1. 5 EndRoot < 1. 5 StartRoot 1. 9 EndRoot < 1. 9 StartRoot 1. 5 EndRoot < StartRoot 1. 9 EndRoot 1. 2 > StartRoot 1. 5 EndRoot > 1. 3 1. 3 < StartRoot 1. 9 EndRoot < 1. 4.

Answer 1

• √1.5 < 1.5
• √1.9 < 1.9
• √1.5 < √1.9
• 1.3 < √1.9 < 1.4

Explanation:

The above relations are true.

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The relation 1.2 > √1.5 > 1.3 is false without even considering the value of √1.5, because 1.2 is not greater than 1.3.

You have to know the meanings of the symbols:

A < B ⇔ A is less than B

C > D ⇔ C is greater than D