amyperrettaa
amyperrettaa amyperrettaa
  • 21-05-2017
  • Mathematics
contestada

Find the slope and the y-intercept of the line.
y=9x-3

Respuesta :

Аноним Аноним
  • 21-05-2017
slope = 9 

Y- intercept =  - 3
Answer Link
Seprum
Seprum Seprum
  • 21-05-2017
Basically, every linear function can be expressed as:
[tex]y=ax + b[/tex], where [tex]a[/tex] is the slope.

So, the slope is 9 in your case.

To find y-intercept of the line you have to set [tex]x=0[/tex] because line intercepts y-axis when [tex]x[/tex] is equal to zero:
[tex]y=9*(0) - 3[/tex]

From here we can say that [tex]b[/tex] is the y-interception.
So, y-interception is -3 in your case.
Answer Link

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