Question

Question 1.1. Simplify.
If x = –4, evaluate –x.

(Points : 1)
8
4
0
–4


Question 2.2. Simplify.
6 – [–(–1)]

(Points : 1)
–7
7
–5
5


Question 3.3. Simplify.
| –3.9| + | 3.9|

(Points : 1)
–7.8
0
7.8
8


Question 4.4.
Evaluate the expression if d = –3

|d|

(Points : 1)
–3
0
1
3


Question 5.5. Evaluate the expression.

|18 – 4|

(Points : 1)
22
14
–22
–14