Question 1

Self-practice 5.2a, page 113 :  Simplify (3x - 2y) + (5x + 9y)

Accepted Answer

3x + 5x -2y + 9y

Answer

3x - 2y + 5x + 9y

Answer

5x - 3x -2y + 9y

Question 2

Self-practice 5.2a, page 113 :  Simplify (7p - 8q + 6pq) + (q - 2p + pq) - (10pq - p - 4q)

Accepted Answer

-3pq  + 6p -3q

Answer

6p + 3q - 3pq

Answer

-3q + 6p + 3pq

Question 3

Self-practice 5.2a, page 113 :  Simplify  2/3 ef - (4st - 1/2 ef) + (3st - 1/6 ef)

Accepted Answer

ef - st

Answer

stef

Answer

fets

Answer

st - ef

Question 4

Self-practice 5.2 b, page 115: Simplify  pq x pq x pq

Accepted Answer

(pq)^3

Answer

(p^3)(q^3)

Answer

3pq

Answer

pq three times

Question 5

Self-practice 5.2 b, page 115: Simplify  (3h - 1) x (3h - 1)

Accepted Answer

(3h - 1)^2

Answer

(3h - 1) x 3h + (3h - 1) x -1

Answer

(3h -1) two times

Question 6

Self-practice 5.2c, page 117:  Find the product for  3t x (5t^3)

Accepted Answer

3 x t x 5 x t x t x t

Answer

3t x 5t  x 5t x 5t

Answer

(3 x t) +  3(5 x t)

Question 7

Self-practice 5.2c, page 117:  Find the product for  -4jk x (7j^2)

Accepted Answer

-28(j^3) k

Answer

-28kj

Answer

28jjjk

Answer

-11(j^3)k

Question 8

Find the quotient for  4a(b^3) /  6(a^2)b

Accepted Answer

2(b^2) / 3a

Answer

4ab / 6ab

Answer

2(a^3) / 3(b^4)

Question 9

Find the quotient for  5(y^2)z / 10y(z^3)

Accepted Answer

y / 2(z^2)

Answer

(y^3) / 2(z^4)

Answer

5y / 10(z^2)

Question 10

Simplify the question

Accepted Answer

12(y^4) / z

Answer

I know the answer, but I don't want to answer

Answer

NO Answer

Answer

180x(y^4)z  /  15x(z^2)

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