Number Line:
Closed Circles are used when signs are "≤" or "≥"
Open Circles are used when signs are "<" or ">"
The graph of x > -1 on a number line would be towards the right from -1 with open circle as the sign is ">"
Graph should look like this:
5 ( x + 7 ) +2 ( y - 1 ) when x=7 and y=2
2 answers:
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