math
posted by kattie .
solve each inequality and graph its solution a. 2x> 12 b. y + 5 _>2 c. x\4 _> 1 d.6z35z<4

a. 2X> 12.
X > 6.
Graph: Open circle at 6 with arrow
pointing rt. The open circle means that
6 is NOT a part of the solution.
Always use the OPEN circle when there is no equal sign in your inequality.
Solution Set:
b. Y + 5 >= 2.
Y >= 2  5,
Y >= 3.
Graph: Closed circle at 3 with arrow
pointing rt. The closed circle means
that 3 is a part of the solution.
The Solution Set: Y = 3, and all values of Y > 3. 
a. Solution Set: All values of X > 6.
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