Question

[5.05] Select the inequality that corresponds to the given graph. (attatchment)



2x - 5y -10

x - y 3

2x - y < -4

x + 2y -8

Answer 1

I want to say x-y 3 (the second choice), but it's missing an inequality sign.

Answer 2

oh my bad its x-y => 3

Answer 3

Yup, it's x-y>=3!
-y>=-x+3 <- subtract x from both sides
y<=x-3 <-divide both sides by -1 (the inequality sign flips because it's negative)
As you can tell, -3 is the y-intercept in the graph as is in the equation, y<=x-3, and it also shades the correct area under the graph.

Answer 4

thanks

Answer 5

Yup, no problem! :)