(-1)2 + (-1)3 + (-1)4 + (-1)5 =
0
1
-1
2
4 x (-0.19) + 6 x (-0.19) =
0.190
-1.9
-0.19
19
- 20 x (0.4) =
8
0.8
- 80
- 8
(3x + y) - (2x + y) =
x
y
3x
2y
(x - y) + (x + y) =
2x
-2x
-2y
From the following which is the smallest number?
What is the value of x + y when x = -12 and y = -3?
15
-9
-15
9
The value of x + y + z, if x = -5,y = -2 and z = 4 is:
-3
-11
-7
-13
The value of - y - x, if x = -7 and y = -3 is:
10
-10
4
-4
The value of x - y if x = -16 y = 4
-20
20
-12
12
