Find the Orthogonal Projection of Y onto U $\mathbf { y } = \left[ \begin{array} { r } - 24 \\ 10 \end{array} \right] , \mathbf { u } = \left[ \begin{array} { r } 4 \\ 20 \end{array} \right]$

question 17

Multiple Choice

Find the orthogonal projection of y onto u.
- $\mathbf { y } = \left[ \begin{array} { r } - 24 \\ 10 \end{array} \right] , \mathbf { u } = \left[ \begin{array} { r } 4 \\ 20 \end{array} \right]$

• A)
• \(\left[ \begin{array} { l } 1 \\ 5 \end{array} \right]\)
• B)
• \(\left[\begin{array}{l}
• \frac{1}{4} \\
• \frac{5}{4}
• \end{array}\right]\)
• C)
• \(\left[ \begin{array} { r } 4 \\ 20 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { l } 16 \\ 80 \end{array} \right]\)

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Definitions:

System Justification

A theory that suggests people have a psychological need to view existing social, economic, and political systems as fair, legitimate, and justified.

Ingroup Bias

The inclination to prefer individuals from one's own group over those from outside groups.

Collective Action

Efforts by groups to resist and change the status quo in the service of group goals.

Individual Mobility

The ability of an individual to move within or between social strata in a society.