A. 4(5) < 15
B. 13 +7 > 18
C. 13 - 7 > 18
D. 18 > 1
3. What are the possible values of a in the inequality, a +1 < 3?
A. a < -2
B. a <2
C. a > -2
D. a > 2
4. What kind of line to be used in connecting the two points of the graph if the inequality symbol is <
B. 13 +7 > 18
C. 13 - 7 > 18
D. 18 > 1
3. What are the possible values of a in the inequality, a +1 < 3?
A. a < -2
B. a <2
C. a > -2
D. a > 2
4. What kind of line to be used in connecting the two points of the graph if the inequality symbol is <
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Answer:
3. D
4. Unless you are graphing a vertical line the sign of the inequality will let you know which half-plane to shade. If the symbol ≥ or > is used, shade above the line. If the symbol ≤ or < is used shade below the line