2112264 2112264

11-03-2021
Mathematics

contestada

HELP!
'If x=[tex]\frac{-b}{2a}[/tex], find x'

$HELP If xtexfracb2atex find x class=$

Respuesta :

11-03-2021

Answer:

-1

Step-by-step explanation:

to understand this

you need to know about:

quadratic function

given:

a=1
b=2

let's solve:

[tex] \sf sustitute \: the \: value \: of \: a \: and \: b : \\ \sf \frac{ - (2)}{2.1} [/tex]
[tex] \sf simplify \: parentheses : \\ \sf \frac{ - 2}{2.1} [/tex]
[tex] \sf simplify \: multiplication : \\ \sf\frac{ - 2}{2} [/tex]
[tex] \sf simplify \: divition : \\ - 1[/tex]

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