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cybola cybola
Member since:
27 October 2007
Total points:
82 (Level 1)

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Determinar a raiz ou zero da função y=4x+20?

raiz ou zero da funçao
leticiafreixo by leticiaf...
Member since:
27 October 2007
Total points:
909 (Level 2)

Best Answer - Chosen by Asker

a raiz da função é o valor de X que leva essa função ao valor de zero.
Isso acontece qd no eixo Y ela vale zero.Assim, basta substituir o Y por zero transformandoem uma igualdade fácil de resolver.
0= 4x+20
4x= -20
x= -20/4
X= - 5
A raiz da equação é -5.
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