Question

The graph of which of the following is shaded above the line?

x+y<9
x+y<-9
y-x<9
x-y<9

Answer 1

Solve for y in terms of x as if it was an equality.

Answer 2

the direction of the < or > will tell you whether to shade above or below.

Answer 3

1st i think

Answer 4

is it the 1st??

Answer 5

No.

Answer 6

y??

Answer 7

y < 9 - x

Since the < is y less than the line 9-x the region below the line is shaded.

Answer 8

so it should b x-y<9

Answer 9

solves to:
\[-y < 9-x\]
\[\implies y > x-9\]

Would be the region above y = x -9

Answer 10

That is correct.