Distributive Law
For Questions 1 to 5,
expand
the expression using the Distributive Law.
1.
2 (a + b)
A
2a + b
B
2a + 2b
C
2a + 2
2.
5 (a – b)
A
5a – b
B
a – 5b
C
5a – 5b
3.
3 (4a + 5b)
A
7a + 8b
B
12a + 15b
C
78ab
4.
– 6 (3f – 2k)
A
– 18f + 12k
B
18f – 8k
C
9f – 8k
5.
a (a – 3)
A
2a – 3
B
2a – 3a
C
a
2
– 3a
For Questions 6 to 10,
factorise
the expression using the Distributive Law.
6.
3a + 3b
A
3 (a + b)
B
6ab
C
3a (3 + b)
7.
4a – 8b
A
2 (a – 4b)
B
4 (a – 2)
C
2 (2a – 2b)
8.
6a + 9b
A
3 (2a + 3b)
B
14ab
C
6 (a + 3b)
9.
– 14k – 12f
A
2 (7k – 6f)
B
– 2 kf
C
– 2 (7k + 6f)
10.
a
2
– ab
A
2 (a – b)
B
a (a – b)
C
a (2 – ab)
Your Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
Correct Answers
Q 1:
Q 2:
Q 3:
Q 4:
Q 5:
Q 6:
Q 7:
Q 8:
Q 9:
Q10:
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