layla11265 layla11265
  • 12-07-2019
  • Mathematics
contestada

Which line has a slope of -1/3?
(1) y- {x+2 (3) 3y + x=9
(2) y = 3x + 1 (4) 3y = x + 6

Which line has a slope of 13 1 y x2 3 3y x9 2 y 3x 1 4 3y x 6 class=

Respuesta :

jdoe0001 jdoe0001
  • 12-07-2019

[tex]\bf 3y+x=9\implies 3y=-x+9\implies y=\cfrac{-x+9}{3}\implies y=\cfrac{-x}{3}+\cfrac{9}{3} \\\\\\ y=\stackrel{\stackrel{m}{~\hfill \downarrow }}{-\cfrac{1}{3}} x+3\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]

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Unicorn8119
Unicorn8119 Unicorn8119
  • 13-07-2019
The answer is 3) 3y+x=9. The explanation is shown in the picture.
Ver imagen Unicorn8119
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