Question

Select the correct reason for statement 2.

Prove: 9 + 3x + (x ∙ 4) = 7x + 9

Statements Reasons
1. 9 + 3x + (x ∙ 4) 1. Given
2. 9 + 3x + 4x 2.
3. 9 + 7x 3. Addition
4. 7x + 9 4. Commutative Property

(Points : 1)
Commutative Property
Multiplication
Addition
Associative Property

Answer 1

it's b

Answer 2

all he did was solve what was inside the parethesis

Answer 3

parentheses*

Answer 4

oh thx can u help me with another one

Answer 5

yea sure

Answer 6

Select the correct reason for statement 3.

Prove: (11m) ∙ 4 + m = 45m

Statements Reasons
1. (11m) ∙ 4 + m 1. Given
2. 4 ∙ (11m) + m 2. Commutative Property
3. (4 ∙ 11) ∙ m + m 3.
4. 44m + m 4. Commutative Property
5. 45m 5. Addition

(Points : 1)
Multiplication
Distributive Property
Associative Property
Addition

Answer 7

i dont' know this one :(

Answer 8

if i were to guess i would probably pick c

Answer 9

but then again i dont know

Answer 10

ill post it again

Answer 11

ok

Answer 12

4 ∙ (11m) = (4 ∙ 11) ∙ m

Look at the changes from statement 2 to statement 3.

The 11 was with the m and is now grouped with the 4.

Which property is the grouping property?

It is one of those on the attached chart.

Answer 13

@glamourglory