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a) 1
b) -11
c) 8
h) -5
i) -21
j) -3
a) -12
b) -20
c) -18
n) -4
o) 9
p) 10
| -4 x 6 |
| (2 x 6) x -2 |
| (-3 x -6) ÷ 9 x -12 |
| (3 x -3 x 2) ÷ 3 x 4 |
| (100 ÷ -5) – 4 |
| (2400 x 10⁻²) x -1 |
a) -5
b) -7
c) -8
n) -10
o) 10.5
p) 10
a) -63
b) 6
c) -13
m) -4
n) -15
o) -3.2
a)
i) 1
ii) 5
iii) 49
iv) 81
b) If you square a negative number, the answer will always be positive. For example, -2 x -2 = 4. In this example, it means that -4 doesn’t have a square root while 4 does. This is true of all negative numbers, as a negative multiplied by a negative number equals a positive number.
a) 48
b) 75
c) -48
f) -9
g) -12
h) -12
a) 3 x (-6 + 2) = -12
b) (-3 + -4) x 2 = -14
c) 8 – (4 – 1) = 5
a) -2 x -2 x -2 = -8
b) -3 x -3 x -3 = -27
c) -5 x -5 x -5 = -125
Leo T 