evaluate each of the following expressions at the given values of the variable
![Evaluate Each Of The Following Expressions At The Given Values Of The Variable class=](https://ph-static.z-dn.net/files/d77/bd47b4b7f27e07f647b4bece35810b35.jpg)
[tex]\huge { \mathcal{Answer}}{:}[/tex]
1.) 3
2.)-14
3.) -4
[tex]\huge { \mathcal{Explanation}}{:}[/tex]
1.) 5y + 3
5(0) + 3
0 + 3
[tex]\huge\color{black}\boxed{3}[/tex]
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2.) a² - 7a - 4
(2)² - 7(2) - 4
4 - 14 - 4
-10 - 4
[tex]\huge\color{black}\boxed{-14}[/tex]
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3.) 2m² - n - 5mn + 9
2(3) - (1) - {5(3 x 1)} + 9
6 - 1 - {5(3)} + 9
6 - 1 - 15 + 9
5 - 15 + 9
-13 + 9
[tex]\huge\color{black}\boxed{-4}[/tex]
[tex]\huge\orange{\overline{\qquad\qquad\qquad\qquad \: \: \: }}[/tex]
[tex]\color {red}{᯽}\color {orange}{᯽}\color {yellow}{᯽}\color {lime}{᯽}\color {green}{᯽}\color {cyan}{᯽}\color {aquamarine}{᯽}\color {indigo}{᯽}\color {blue}{᯽}\color {violet}{᯽}\color {blueviolet}{᯽}\color {pink}{᯽}\color {magenta}{᯽} \color {brown}{᯽}\color {gray}{᯽}\color {black}{᯽}[/tex]
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