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Explain what is meant by the term "expand an expression".

If we expand the expression 2(3x + 1), the answer is 6x + 2,

which law was used?

which law was used?

A

Commutative law

B

Associative law

C

Distributive law

D

None of them

Select the answer that gives the correct answer to the expansion of the expression 5(6y + 7)

A

30y + 7

B

6y + 35

C

56y + 57

D

30y + 35

Select all the answers that give the correct answer to the expansion of the expression -3(2y - 8)

A

-6y + 24

B

-6y - 24

C

-10y + 4y + 20 + 4

D

-10y + 4y - 20 + 4

Calculate the answer to the expression 4(5n - 6) when n = 3.

A

36

B

60

C

9

D

54

A

I can split the cubes into 6 equal groups

B

I can split the cubes into 4 equal groups

C

I can split the cubes into 3 equal groups

D

I can split the cubes into 2 equal groups

Choose which one of the following statements is false for the expression 6a + 9

A

3 is a factor of the expression

B

6 is a factor of the expression

C

2a + 3 is a factor of the expression

D

3 + 2a is a factor of the expression

Which answer is a fully factorised form of the following expression

5(a + 3) + 7(a + 3) - 2(a + 3)

5(a + 3) + 7(a + 3) - 2(a + 3)

A

14(a + 3)

B

10(a + 3)

C

10(a - 3)

D

10a + 30