Choose the graph below that represents the following system of inequalities. y = -3x + 1 y

Question

Choose the graph below that represents the following system of inequalities.

y >= -3x + 1

y <= x + 3

anonymous · Answer

Graphs:

anonymous · Answer

As you can see all the y-intercepts are the same

anonymous · Answer

yes they are. so now what do we do?

anonymous · Answer

Lets pick the first equation: $$y \ge -3x+1$$.
Which one is that one?

anonymous · Answer

huh? i dont really understand the question.

anonymous · Answer

Find the line on the graph the matches the first equation. It has a characteristic of a y-intercept at 1.

anonymous · Answer

oh ok! hold on

anonymous · Answer

i dont know:(

anonymous · Answer

It is the line that intersects at 1 on the y-axis. Do you see it? If not is the steeper one.

anonymous · Answer

yes i do

anonymous · Answer

can u just tell me what the answer is? im sorry but im running out of time..

anonymous · Answer

Ok when you do inequalities, you have to test points to see if it will work in the equation. The easiest point to test is always (0,0). So when you put 0 in for x and 0 in for y is the statement true or false?

anonymous · Answer

true.

anonymous · Answer

Are you sure? Let me show how to do it. 

|dw:1373315886181:dw|

Is 0 greater than 1?