Page 49 - Math Course 2 (Book 1)

Introduction to Real Numbers

Graph y ≤ 8.
Graph the set x ≥ 6.
Answer
A.
3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9

B.
The heavy arrow indicates that all numbers to the 3 4 5 6 7 8 9 10 11
left of 8 are included in the graph. The dot at 8
indicates that 8 is included in the graph.
C.
3 4 5 6 7 8 9 10 11

Your Turn! D. 3 4 5 6 7 8 9 10 11

Graph Real Numbers

2 1 2
–
Graph the set { , , }
–
3 3 3
A. Answer
5 4 2 1 1 2
– – –1 – – 0 1
3 3 3 3 3 3

B. 5 4 2 1 1 2
– – –1 – – 0 1
3 3 3 3 3 3 Graph the set x < –3.

A.
C.
5 4 2 1 1 2
– – –1 – – 0 1 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1
3 3 3 3 3 3
B.

D. -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1
5 4 2 1 1 2
– – –1 – – 0 1
3 3 3 3 3 3 C.

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1
D.
Answer
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1

Answer

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