1. Draw a number line and show the following sets of integers
a. {-2, -1, 0, 1, 2, 3}
b. {0, 1, 2, 3, 4, 5}
c. { x where x > -2}
2. Calculate:
(a) -3 + 2 |
(g) 2 − 3 |
(b) 8 + - 5 |
(h) -8 +2 |
(c)-2 + -3 |
(i) - 8 − 4 |
(d)-3 --2 |
(j) - 2 − 4 |
(e) 14 + -2 |
(k)-2 − 3 + 4 |
(f) -4 --2 |
(l) 3 − - 2 + 5 |
3. Calculate:
(a) - 3 x 2 |
(g) 2 x- 3 |
(b) 8 x - 5 |
(h) - 8 x 2 |
(c) − 2 + 3 |
(i) -16 ÷ 8 |
(d) − 3 x − 2 |
(j) (- 2)2 x 4 |
(e) 12÷ -3 |
(k) - 2 x - 3 x 4 |
(f) -4 ÷ -2 |
(l) 3 − -2 x 5 |
4. Evaluate, if p = − 3 and q = 2:
(a)
(b) 3q 2
(c) 3pq
(d) 2p3
(e) (p + q)2