SOLUTION: The graph of which of the following is shaded above the line?
A. x + y < 9
B. y - x < 9
C. x - y < 9
D. x + y < -9
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Graphs
-> SOLUTION: The graph of which of the following is shaded above the line?
A. x + y < 9
B. y - x < 9
C. x - y < 9
D. x + y < -9
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These lines would have a y-intercept of 9 or -9 depending on the line.
Choose a point way above any of these lines (0,1000).
Plug it in and see which one satisfies the inequality.
So for A,
No, so it's not A.
Do the same for the remaining choices.
