Which Numbers in the Following Set Are Irrational Numbers $$\left\{ \frac { 1 } { 9 } , 7 , \sqrt { 7 } , \pi , - 0.4 \right\}$$

question 52

Multiple Choice

Which numbers in the following set are irrational numbers? $$\left\{ \frac { 1 } { 9 } , 7 , \sqrt { 7 } , \pi , - 0.4 \right\}$$

• A) \(\sqrt { 7 } , \pi\)
• B) \(\sqrt { 7 } , \pi , - 0.4\)
• C) \(\frac { 1 } { 9 } , 7 , \sqrt { 7 } , \pi , - 0.4\)
• D) \(\frac { 1 } { 9 } , 7 , - 0.4\)

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Definitions:

Social Loafing

The event where group members apply lesser effort to reach a goal than they would if they were working solo.

Accountable

Being responsible or answerable for actions or decisions, implying a willingness to accept and report on the outcomes of one's actions or decisions.

Dispensable

Capable of being dispensed with; not essential or necessary.

Social Loafing

When part of a team, individuals often show a decrease in effort towards goal completion as opposed to their solo endeavors.