mamcclymont mamcclymont

02-05-2022
Mathematics

contestada

If a = -3, find the value of
a) 2a
b) a^2
c) 3a^2

Respuesta :

jazzkatkat500 jazzkatkat500

02-05-2022

Answer:

a) -6

b) 9

c) 27

Step-by-step explanation:

[tex]2( - 3) = - 6 \\ { - 3}^{2} = - 9 \\ 3 {( - 3)}^{2} = 27[/tex]

Answer Link

loneguy loneguy

02-05-2022

[tex]\textbf{a)}\\\\2a=2(-3) = -6\\\\\textbf{b)}\\\\a^2 = (-3)^2 = 9\\\\\textbf{c)}\\\\3a^2 = 3(-3)^2 = 3 \cdot 9 = 27[/tex]

Answer Link

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