destinyivory destinyivory
  • 20-03-2020
  • Mathematics
contestada

Through: (-5,-3), parallel to y=2/5x-2

Respuesta :

Leora03
Leora03 Leora03
  • 20-03-2020

Answer:

[tex]y = \frac{2}{5} x - 1[/tex]

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Parallel lines have the same gradient, hence m=[tex] \frac{2}{5} [/tex]

[tex]y = \frac{2}{5} x + c[/tex]

To find c, substitute a coordinate into the equation.

When x= -5, y= -3,

[tex] - 3 = \frac{2}{5} ( - 5) + c \\ - 3 = - 2 + c \\ c = - 3 + 2 \\ c = - 1[/tex]

Thus, the equation of the line is [tex]y = \frac{2}{5} x - 1[/tex]

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