Mathematics, 21.01.2020 23:31 ljwatts25
If vector a = < 1.5, -3> and vector b = < -2.25, -5> , what is the resulting vector for 2b − a?
Answers: 1
![\left[\begin{array}{ccc}-6\\-7\end{array}\right]](/tpl/images/0464/7401/17b83.png)
![\left[\begin{array}{ccc}1.5\\-3\end{array}\right]](/tpl/images/0464/7401/a27da.png)
and b = ![\left[\begin{array}{ccc}-2.25\\-5\end{array}\right]](/tpl/images/0464/7401/65e53.png)
![2b - a = 2\left[\begin{array}{ccc}-2.25\\-5\end{array}\right] - \left[\begin{array}{ccc}1.5\\-3\end{array}\right]](/tpl/images/0464/7401/5f430.png)
![=\left[\begin{array}{ccc}-4.5\\-10\end{array}\right] - \left[\begin{array}{ccc}1.5\\-3\end{array}\right]](/tpl/images/0464/7401/f5e3c.png)
![=\left[\begin{array}{ccc}-6\\-7\end{array}\right]](/tpl/images/0464/7401/beb3c.png)
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If vector a = < 1.5, -3> and vector b = < -2.25, -5> , what is the resulting vector for...
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