Algebra basics part 2:

Question 1

Expression for 'the sum of 𝒙 and 4 is doubled'

Accepted Answer

(𝒙 + 4) x 2

Question 2

Expression for the following word description 'the product of 𝒙 and 𝒚 us subtracted from 12 '

Accepted Answer

12 - 𝒙𝒚

Question 3

Expression for the following word description 'the product of n and 9

Accepted Answer

9n

Question 4

Correct expression for the description '𝒙 is multiplied by 7 and the result is halved'

Accepted Answer

7𝒙/2

Question 5

Expression for the following 'a is tripled and subtracted from 5'

Accepted Answer

5 - 3a

Question 6

Expression for the following word description ' one third of s '

Accepted Answer

s /3

Question 7

Correct word description for the following expression '8k - 3'

Accepted Answer

k is multiplied by 8, then 3 is subtracted

Question 8

Expression for the following word description ' y is divided by 8'

Accepted Answer

y/8

Question 9

Word description for the following expression ' p/2 + 2 '

Accepted Answer

p is halved then 2 is added

Question 10

Expression for the following word description ' the sum of k and 5'

Accepted Answer

5 + k

Question 11

Expression for the following word description ' 4 lots of y'

Accepted Answer

4y

Question 12

How can this expression be described in words '6(x + y)'

Accepted Answer

the sum of 𝒙 and 𝒚 is multiplied by 6

Question 13

Expression for the following: '3 is subtracted from k, then the result is multiplied'

Accepted Answer

8(k - 3)

Question 14

The correct expression for the following word description 'a is tripled, then 4 is doubled'

Accepted Answer

3a + 4

Questions 14