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Question 2

Algebraic expressions for the following are:

a When 3 is substituted for x, the value of x + 5 is:
5  8 15 check answer for question 2a.
b When 20 is substituted for a, the value of a – 5 is:
15 20 25 check answer for question 2b.
c The value of \(x^2\) + 6 when 2 is substituted for x is:
4 6 10 check answer for question 2c.
d The value of \(\dfrac{x}{6}\) when 24 is substituted for x is:
3 4 6 check answer for question 2d.
e If x = 3, then the value of 6 – x is:
3 6 9 check answer for question 2e.
f If v = 12 and t = 3, then the value of \(\dfrac{v}{t}\) + 6 is:
4 10 24 check answer for question 2f.

Question 3

The profit from selling n crates of bananas is 3n dollars. The profit from selling 80 crates is:

$24 $80 $240 check answer for question 3.

Question 4

The number of seats in a small theatre of x rows of 16 seats per row is 16x. If there are 8 rows in the theatre, then the number of seats is:

24 64 128 check answer for question 4.