shayda12
shayda12 shayda12
  • 03-04-2019
  • Mathematics
contestada

Which inequality best represents the graph?

a. y<1/2x-1

b. y≤2x-1

c. y<2x-1

d. y≤1/2x-1

Which inequality best represents the graph a ylt12x1 b y2x1 c ylt2x1 d y12x1 class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 03-04-2019

Answer:

Last option

y ≤ 1/2 x - 1

Step-by-step explanation:

The graph is linear inequality. Since the graph is a solid line so the inequality symbol is either ≥ or ≤.

The colored grey is shaded below the line, so the symbol is ≤.

So either  y≤1/2x-1 or  y≤2x-1

Now we have to find the slope to see which equation is the right one.

(2,0) and (0,-1)

Slope = (0 + 1) /(2-0) = 1/2 and b = y intercept = -1

So equation:

y ≤ 1/2 x - 1

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