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homework 3.1 - slope and rate of change of linear functions
determine whether each equation is a linear equation. circle yes or no.
- 5 - 2y = 3x yes/no
- y = 3x² + x yes/no
- 2x = 4y yes/no
- 5/x - 2/y = 7 yes/no
determine the slope of each line.
- m =
- m =
- m =
- m =
solve the following equations for y.
- y - 4 = - 3x
10.
- 5x + 20 = - 2y
- 1.5 - 2y = 3x yes/no
yes
no
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Step1: Reescribe la ecuación en forma general
Una ecuación lineal se escribe como $Ax + By=C$, donde $A$, $B$ y $C$ son constantes y $A$ y $B$ no son ambos 0, y no hay exponentes mayores que 1 en las variables. Reescribimos $1.5−2y = 3x$ como $3x+2y=1.5$.
Step2: Verifica la forma
Vemos que es de la forma $Ax + By = C$ con $A = 3$, $B = 2$ y $C=1.5$, y las variables $x$ e $y$ tienen exponente 1.
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